Finding the Fourth Proportional to 60,005.16, 82,810.56 and 36,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,005.16 : 82,810.56 = 36,139.50 : x
2. Step 2: Convert to fraction form
   60,005.16/82,810.56 = 36,139.50/x
3. Step 3: Cross multiply
   60,005.16x = 82,810.56 × 36,139.50
4. Step 4: Simplify right side
   60,005.16x = 2,992,732,233.12
5. Step 5: Solve for x
   x = 2,992,732,233.12/60,005.16
6. Step 6: Final answer
   x = 49,874.58