Finding the Fourth Proportional to 57,981,861.12, 86,783,538.24 and 42,625,085.52

Step by Step Solution

1. Step 1: Write the proportion equation
   57,981,861.12 : 86,783,538.24 = 42,625,085.52 : x
2. Step 2: Convert to fraction form
   57,981,861.12/86,783,538.24 = 42,625,085.52/x
3. Step 3: Cross multiply
   57,981,861.12x = 86,783,538.24 × 42,625,085.52
4. Step 4: Simplify right side
   57,981,861.12x = 3,699,155,739,208,190.50
5. Step 5: Solve for x
   x = 3,699,155,739,208,190.50/57,981,861.12
6. Step 6: Final answer
   x = 63,798,499.53