Finding the Fourth Proportional to 140,522.91, 193,923.15 and 76,859.34

Step by Step Solution

1. Step 1: Write the proportion equation
   140,522.91 : 193,923.15 = 76,859.34 : x
2. Step 2: Convert to fraction form
   140,522.91/193,923.15 = 76,859.34/x
3. Step 3: Cross multiply
   140,522.91x = 193,923.15 × 76,859.34
4. Step 4: Simplify right side
   140,522.91x = 14,904,805,319.72
5. Step 5: Solve for x
   x = 14,904,805,319.72/140,522.91
6. Step 6: Final answer
   x = 106,066.73