Finding the Fourth Proportional to 115,139,300.33, 172,786,660.92 and 45,100,841.53

Step by Step Solution

1. Step 1: Write the proportion equation
   115,139,300.33 : 172,786,660.92 = 45,100,841.53 : x
2. Step 2: Convert to fraction form
   115,139,300.33/172,786,660.92 = 45,100,841.53/x
3. Step 3: Cross multiply
   115,139,300.33x = 172,786,660.92 × 45,100,841.53
4. Step 4: Simplify right side
   115,139,300.33x = 7,792,823,811,786,830
5. Step 5: Solve for x
   x = 7,792,823,811,786,830/115,139,300.33
6. Step 6: Final answer
   x = 67,681,701.99