Finding the Fourth Proportional to 152,451.72, 210,456.50 and 107,168.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,451.72 : 210,456.50 = 107,168.52 : x
2. Step 2: Convert to fraction form
   152,451.72/210,456.50 = 107,168.52/x
3. Step 3: Cross multiply
   152,451.72x = 210,456.50 × 107,168.52
4. Step 4: Simplify right side
   152,451.72x = 22,554,311,629.38
5. Step 5: Solve for x
   x = 22,554,311,629.38/152,451.72
6. Step 6: Final answer
   x = 147,943.96