Finding the Fourth Proportional to 152,422.08, 210,397.72 and 124,078.56

Step by Step Solution

1. Step 1: Write the proportion equation
   152,422.08 : 210,397.72 = 124,078.56 : x
2. Step 2: Convert to fraction form
   152,422.08/210,397.72 = 124,078.56/x
3. Step 3: Cross multiply
   152,422.08x = 210,397.72 × 124,078.56
4. Step 4: Simplify right side
   152,422.08x = 26,105,846,124.88
5. Step 5: Solve for x
   x = 26,105,846,124.88/152,422.08
6. Step 6: Final answer
   x = 171,273.39