Finding the Fourth Proportional to 63,066.60, 86,986.17 and 42,887.61

Step by Step Solution

1. Step 1: Write the proportion equation
   63,066.60 : 86,986.17 = 42,887.61 : x
2. Step 2: Convert to fraction form
   63,066.60/86,986.17 = 42,887.61/x
3. Step 3: Cross multiply
   63,066.60x = 86,986.17 × 42,887.61
4. Step 4: Simplify right side
   63,066.60x = 3,730,628,934.35
5. Step 5: Solve for x
   x = 3,730,628,934.35/63,066.60
6. Step 6: Final answer
   x = 59,153.80