Finding the Fourth Proportional to 139,150.71, 192,027.88 and 75,488.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,150.71 : 192,027.88 = 75,488.52 : x
2. Step 2: Convert to fraction form
   139,150.71/192,027.88 = 75,488.52/x
3. Step 3: Cross multiply
   139,150.71x = 192,027.88 × 75,488.52
4. Step 4: Simplify right side
   139,150.71x = 14,495,900,459.94
5. Step 5: Solve for x
   x = 14,495,900,459.94/139,150.71
6. Step 6: Final answer
   x = 104,174.10