Finding the Fourth Proportional to 152,449.72, 210,453.74 and 107,166.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,449.72 : 210,453.74 = 107,166.52 : x
2. Step 2: Convert to fraction form
   152,449.72/210,453.74 = 107,166.52/x
3. Step 3: Cross multiply
   152,449.72x = 210,453.74 × 107,166.52
4. Step 4: Simplify right side
   152,449.72x = 22,553,594,936.78
5. Step 5: Solve for x
   x = 22,553,594,936.78/152,449.72
6. Step 6: Final answer
   x = 147,941.20