Finding the Fourth Proportional to 140,668.72, 194,127.42 and 77,006.52

Step by Step Solution

1. Step 1: Write the proportion equation
   140,668.72 : 194,127.42 = 77,006.52 : x
2. Step 2: Convert to fraction form
   140,668.72/194,127.42 = 77,006.52/x
3. Step 3: Cross multiply
   140,668.72x = 194,127.42 × 77,006.52
4. Step 4: Simplify right side
   140,668.72x = 14,949,077,050.78
5. Step 5: Solve for x
   x = 14,949,077,050.78/140,668.72
6. Step 6: Final answer
   x = 106,271.51