Finding the Fourth Proportional to 140,995.32, 194,585.76 and 77,345.52

Step by Step Solution

1. Step 1: Write the proportion equation
   140,995.32 : 194,585.76 = 77,345.52 : x
2. Step 2: Convert to fraction form
   140,995.32/194,585.76 = 77,345.52/x
3. Step 3: Cross multiply
   140,995.32x = 194,585.76 × 77,345.52
4. Step 4: Simplify right side
   140,995.32x = 15,050,336,791.80
5. Step 5: Solve for x
   x = 15,050,336,791.80/140,995.32
6. Step 6: Final answer
   x = 106,743.52