Finding the Fourth Proportional to 140,517.48, 193,911.72 and 76,853.91

Step by Step Solution

1. Step 1: Write the proportion equation
   140,517.48 : 193,911.72 = 76,853.91 : x
2. Step 2: Convert to fraction form
   140,517.48/193,911.72 = 76,853.91/x
3. Step 3: Cross multiply
   140,517.48x = 193,911.72 × 76,853.91
4. Step 4: Simplify right side
   140,517.48x = 14,902,874,748.10
5. Step 5: Solve for x
   x = 14,902,874,748.10/140,517.48
6. Step 6: Final answer
   x = 106,057.09