Finding the Fourth Proportional to 57,818,328.97, 86,700,589.42 and 21,416,945.52

Step by Step Solution

1. Step 1: Write the proportion equation
   57,818,328.97 : 86,700,589.42 = 21,416,945.52 : x
2. Step 2: Convert to fraction form
   57,818,328.97/86,700,589.42 = 21,416,945.52/x
3. Step 3: Cross multiply
   57,818,328.97x = 86,700,589.42 × 21,416,945.52
4. Step 4: Simplify right side
   57,818,328.97x = 1,856,861,800,410,093.50
5. Step 5: Solve for x
   x = 1,856,861,800,410,093.50/57,818,328.97
6. Step 6: Final answer
   x = 32,115,452.55