Finding the Fourth Proportional to 139,762.26, 192,872.16 and 76,100.31

Step by Step Solution

1. Step 1: Write the proportion equation
   139,762.26 : 192,872.16 = 76,100.31 : x
2. Step 2: Convert to fraction form
   139,762.26/192,872.16 = 76,100.31/x
3. Step 3: Cross multiply
   139,762.26x = 192,872.16 × 76,100.31
4. Step 4: Simplify right side
   139,762.26x = 14,677,631,166.37
5. Step 5: Solve for x
   x = 14,677,631,166.37/139,762.26
6. Step 6: Final answer
   x = 105,018.56