Finding the Fourth Proportional to 139,158.43, 192,056.71 and 77,927.93

Step by Step Solution

1. Step 1: Write the proportion equation
   139,158.43 : 192,056.71 = 77,927.93 : x
2. Step 2: Convert to fraction form
   139,158.43/192,056.71 = 77,927.93/x
3. Step 3: Cross multiply
   139,158.43x = 192,056.71 × 77,927.93
4. Step 4: Simplify right side
   139,158.43x = 14,966,580,892.63
5. Step 5: Solve for x
   x = 14,966,580,892.63/139,158.43
6. Step 6: Final answer
   x = 107,550.66