Finding the Fourth Proportional to 140,992.32, 194,581.88 and 77,342.52

Step by Step Solution

1. Step 1: Write the proportion equation
   140,992.32 : 194,581.88 = 77,342.52 : x
2. Step 2: Convert to fraction form
   140,992.32/194,581.88 = 77,342.52/x
3. Step 3: Cross multiply
   140,992.32x = 194,581.88 × 77,342.52
4. Step 4: Simplify right side
   140,992.32x = 15,049,452,945.54
5. Step 5: Solve for x
   x = 15,049,452,945.54/140,992.32
6. Step 6: Final answer
   x = 106,739.52