Finding the Fourth Proportional to 72,578,384.70, 108,741,605.85 and 47,006,231.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,578,384.70 : 108,741,605.85 = 47,006,231.10 : x
2. Step 2: Convert to fraction form
   72,578,384.70/108,741,605.85 = 47,006,231.10/x
3. Step 3: Cross multiply
   72,578,384.70x = 108,741,605.85 × 47,006,231.10
4. Step 4: Simplify right side
   72,578,384.70x = 5,111,533,054,770,212
5. Step 5: Solve for x
   x = 5,111,533,054,770,212/72,578,384.70
6. Step 6: Final answer
   x = 70,427,759.94