Finding the Fourth Proportional to 139,294.51, 192,227.18 and 75,632.31

Step by Step Solution

1. Step 1: Write the proportion equation
   139,294.51 : 192,227.18 = 75,632.31 : x
2. Step 2: Convert to fraction form
   139,294.51/192,227.18 = 75,632.31/x
3. Step 3: Cross multiply
   139,294.51x = 192,227.18 × 75,632.31
4. Step 4: Simplify right side
   139,294.51x = 14,538,585,228.00
5. Step 5: Solve for x
   x = 14,538,585,228.00/139,294.51
6. Step 6: Final answer
   x = 104,372.99