Finding the Fourth Proportional to 140,682.24, 194,142.06 and 77,025.96

Step by Step Solution

1. Step 1: Write the proportion equation
   140,682.24 : 194,142.06 = 77,025.96 : x
2. Step 2: Convert to fraction form
   140,682.24/194,142.06 = 77,025.96/x
3. Step 3: Cross multiply
   140,682.24x = 194,142.06 × 77,025.96
4. Step 4: Simplify right side
   140,682.24x = 14,953,978,547.88
5. Step 5: Solve for x
   x = 14,953,978,547.88/140,682.24
6. Step 6: Final answer
   x = 106,296.14