Finding the Fourth Proportional to 140,826.96, 194,341.98 and 77,167.05

Step by Step Solution

1. Step 1: Write the proportion equation
   140,826.96 : 194,341.98 = 77,167.05 : x
2. Step 2: Convert to fraction form
   140,826.96/194,341.98 = 77,167.05/x
3. Step 3: Cross multiply
   140,826.96x = 194,341.98 × 77,167.05
4. Step 4: Simplify right side
   140,826.96x = 14,996,797,287.76
5. Step 5: Solve for x
   x = 14,996,797,287.76/140,826.96
6. Step 6: Final answer
   x = 106,490.95