Finding the Fourth Proportional to 140,499.45, 193,892.07 and 76,841.34

Step by Step Solution

1. Step 1: Write the proportion equation
   140,499.45 : 193,892.07 = 76,841.34 : x
2. Step 2: Convert to fraction form
   140,499.45/193,892.07 = 76,841.34/x
3. Step 3: Cross multiply
   140,499.45x = 193,892.07 × 76,841.34
4. Step 4: Simplify right side
   140,499.45x = 14,898,926,474.17
5. Step 5: Solve for x
   x = 14,898,926,474.17/140,499.45
6. Step 6: Final answer
   x = 106,042.60