Finding the Fourth Proportional to 59,892.90, 82,686.06 and 39,784.25

Step by Step Solution

1. Step 1: Write the proportion equation
   59,892.90 : 82,686.06 = 39,784.25 : x
2. Step 2: Convert to fraction form
   59,892.90/82,686.06 = 39,784.25/x
3. Step 3: Cross multiply
   59,892.90x = 82,686.06 × 39,784.25
4. Step 4: Simplify right side
   59,892.90x = 3,289,602,469.12
5. Step 5: Solve for x
   x = 3,289,602,469.12/59,892.90
6. Step 6: Final answer
   x = 54,924.75