Finding the Fourth Proportional to 57,857,016.96, 86,782,713.12 and 21,472,499.52

Step by Step Solution

1. Step 1: Write the proportion equation
   57,857,016.96 : 86,782,713.12 = 21,472,499.52 : x
2. Step 2: Convert to fraction form
   57,857,016.96/86,782,713.12 = 21,472,499.52/x
3. Step 3: Cross multiply
   57,857,016.96x = 86,782,713.12 × 21,472,499.52
4. Step 4: Simplify right side
   57,857,016.96x = 1,863,441,765,813,497.75
5. Step 5: Solve for x
   x = 1,863,441,765,813,497.75/57,857,016.96
6. Step 6: Final answer
   x = 32,207,705.54