Finding the Fourth Proportional to 139,493.85, 192,499.23 and 75,833.25

Step by Step Solution

1. Step 1: Write the proportion equation
   139,493.85 : 192,499.23 = 75,833.25 : x
2. Step 2: Convert to fraction form
   139,493.85/192,499.23 = 75,833.25/x
3. Step 3: Cross multiply
   139,493.85x = 192,499.23 × 75,833.25
4. Step 4: Simplify right side
   139,493.85x = 14,597,842,233.40
5. Step 5: Solve for x
   x = 14,597,842,233.40/139,493.85
6. Step 6: Final answer
   x = 104,648.64