Finding the Fourth Proportional to 57,981,922.74, 86,783,629.77 and 42,625,146.78

Step by Step Solution

1. Step 1: Write the proportion equation
   57,981,922.74 : 86,783,629.77 = 42,625,146.78 : x
2. Step 2: Convert to fraction form
   57,981,922.74/86,783,629.77 = 42,625,146.78/x
3. Step 3: Cross multiply
   57,981,922.74x = 86,783,629.77 × 42,625,146.78
4. Step 4: Simplify right side
   57,981,922.74x = 3,699,164,957,047,427.50
5. Step 5: Solve for x
   x = 3,699,164,957,047,427.50/57,981,922.74
6. Step 6: Final answer
   x = 63,798,590.70