Finding the Fourth Proportional to 139,762.43, 192,899.46 and 88,834.49

Step by Step Solution

1. Step 1: Write the proportion equation
   139,762.43 : 192,899.46 = 88,834.49 : x
2. Step 2: Convert to fraction form
   139,762.43/192,899.46 = 88,834.49/x
3. Step 3: Cross multiply
   139,762.43x = 192,899.46 × 88,834.49
4. Step 4: Simplify right side
   139,762.43x = 17,136,125,150.38
5. Step 5: Solve for x
   x = 17,136,125,150.38/139,762.43
6. Step 6: Final answer
   x = 122,608.95