Finding the Fourth Proportional to 139,435.83, 192,419.55 and 75,773.88

Step by Step Solution

1. Step 1: Write the proportion equation
   139,435.83 : 192,419.55 = 75,773.88 : x
2. Step 2: Convert to fraction form
   139,435.83/192,419.55 = 75,773.88/x
3. Step 3: Cross multiply
   139,435.83x = 192,419.55 × 75,773.88
4. Step 4: Simplify right side
   139,435.83x = 14,580,375,891.35
5. Step 5: Solve for x
   x = 14,580,375,891.35/139,435.83
6. Step 6: Final answer
   x = 104,566.92