Finding the Fourth Proportional to 152,345.94, 210,234.06 and 88,682.40

Step by Step Solution

1. Step 1: Write the proportion equation
   152,345.94 : 210,234.06 = 88,682.40 : x
2. Step 2: Convert to fraction form
   152,345.94/210,234.06 = 88,682.40/x
3. Step 3: Cross multiply
   152,345.94x = 210,234.06 × 88,682.40
4. Step 4: Simplify right side
   152,345.94x = 18,644,061,002.54
5. Step 5: Solve for x
   x = 18,644,061,002.54/152,345.94
6. Step 6: Final answer
   x = 122,379.77