Finding the Fourth Proportional to 62,986.17, 86,892.84 and 42,561.69

Step by Step Solution

1. Step 1: Write the proportion equation
   62,986.17 : 86,892.84 = 42,561.69 : x
2. Step 2: Convert to fraction form
   62,986.17/86,892.84 = 42,561.69/x
3. Step 3: Cross multiply
   62,986.17x = 86,892.84 × 42,561.69
4. Step 4: Simplify right side
   62,986.17x = 3,698,306,119.30
5. Step 5: Solve for x
   x = 3,698,306,119.30/62,986.17
6. Step 6: Final answer
   x = 58,716.16