Finding the Fourth Proportional to 72,616,824,661.72, 108,701,830,343.40 and 47,380,201,048.84

Step by Step Solution

1. Step 1: Write the proportion equation
   72,616,824,661.72 : 108,701,830,343.40 = 47,380,201,048.84 : x
2. Step 2: Convert to fraction form
   72,616,824,661.72/108,701,830,343.40 = 47,380,201,048.84/x
3. Step 3: Cross multiply
   72,616,824,661.72x = 108,701,830,343.40 × 47,380,201,048.84
4. Step 4: Simplify right side
   72,616,824,661.72x = 5,150,314,576,047,187,689,472
5. Step 5: Solve for x
   x = 5,150,314,576,047,187,689,472/72,616,824,661.72
6. Step 6: Final answer
   x = 70,924,535,740.02