Finding the Fourth Proportional to 83,585,351.86, 125,320,789.95 and 42,565,388.02

Step by Step Solution

1. Step 1: Write the proportion equation
   83,585,351.86 : 125,320,789.95 = 42,565,388.02 : x
2. Step 2: Convert to fraction form
   83,585,351.86/125,320,789.95 = 42,565,388.02/x
3. Step 3: Cross multiply
   83,585,351.86x = 125,320,789.95 × 42,565,388.02
4. Step 4: Simplify right side
   83,585,351.86x = 5,334,328,051,194,667
5. Step 5: Solve for x
   x = 5,334,328,051,194,667/83,585,351.86
6. Step 6: Final answer
   x = 63,818,933.97