Finding the Fourth Proportional to 139,429.02, 192,411.68 and 75,766.83

Step by Step Solution

1. Step 1: Write the proportion equation
   139,429.02 : 192,411.68 = 75,766.83 : x
2. Step 2: Convert to fraction form
   139,429.02/192,411.68 = 75,766.83/x
3. Step 3: Cross multiply
   139,429.02x = 192,411.68 × 75,766.83
4. Step 4: Simplify right side
   139,429.02x = 14,578,422,669.74
5. Step 5: Solve for x
   x = 14,578,422,669.74/139,429.02
6. Step 6: Final answer
   x = 104,558.02