Finding the Fourth Proportional to 139,200.17, 192,096.77 and 75,537.98

Step by Step Solution

1. Step 1: Write the proportion equation
   139,200.17 : 192,096.77 = 75,537.98 : x
2. Step 2: Convert to fraction form
   139,200.17/192,096.77 = 75,537.98/x
3. Step 3: Cross multiply
   139,200.17x = 192,096.77 × 75,537.98
4. Step 4: Simplify right side
   139,200.17x = 14,510,601,352.51
5. Step 5: Solve for x
   x = 14,510,601,352.51/139,200.17
6. Step 6: Final answer
   x = 104,242.70