Finding the Fourth Proportional to 139,025.18, 208,566.93 and 60,150.62

Step by Step Solution

1. Step 1: Write the proportion equation
   139,025.18 : 208,566.93 = 60,150.62 : x
2. Step 2: Convert to fraction form
   139,025.18/208,566.93 = 60,150.62/x
3. Step 3: Cross multiply
   139,025.18x = 208,566.93 × 60,150.62
4. Step 4: Simplify right side
   139,025.18x = 12,545,430,151.00
5. Step 5: Solve for x
   x = 12,545,430,151.00/139,025.18
6. Step 6: Final answer
   x = 90,238.55