Finding the Fourth Proportional to 77,176.24, 106,443.12 and 51,674.52

Step by Step Solution

1. Step 1: Write the proportion equation
   77,176.24 : 106,443.12 = 51,674.52 : x
2. Step 2: Convert to fraction form
   77,176.24/106,443.12 = 51,674.52/x
3. Step 3: Cross multiply
   77,176.24x = 106,443.12 × 51,674.52
4. Step 4: Simplify right side
   77,176.24x = 5,500,397,133.30
5. Step 5: Solve for x
   x = 5,500,397,133.30/77,176.24
6. Step 6: Final answer
   x = 71,270.60