Finding the Fourth Proportional to 139,414.09, 192,384.24 and 75,751.72

Step by Step Solution

1. Step 1: Write the proportion equation
   139,414.09 : 192,384.24 = 75,751.72 : x
2. Step 2: Convert to fraction form
   139,414.09/192,384.24 = 75,751.72/x
3. Step 3: Cross multiply
   139,414.09x = 192,384.24 × 75,751.72
4. Step 4: Simplify right side
   139,414.09x = 14,573,437,080.89
5. Step 5: Solve for x
   x = 14,573,437,080.89/139,414.09
6. Step 6: Final answer
   x = 104,533.46