Finding the Fourth Proportional to 140,521.55, 193,924.35 and 76,859.34

Step by Step Solution

1. Step 1: Write the proportion equation
   140,521.55 : 193,924.35 = 76,859.34 : x
2. Step 2: Convert to fraction form
   140,521.55/193,924.35 = 76,859.34/x
3. Step 3: Cross multiply
   140,521.55x = 193,924.35 × 76,859.34
4. Step 4: Simplify right side
   140,521.55x = 14,904,897,550.93
5. Step 5: Solve for x
   x = 14,904,897,550.93/140,521.55
6. Step 6: Final answer
   x = 106,068.41