Finding the Fourth Proportional to 152,129.92, 209,946.72 and 88,474.72

Step by Step Solution

1. Step 1: Write the proportion equation
   152,129.92 : 209,946.72 = 88,474.72 : x
2. Step 2: Convert to fraction form
   152,129.92/209,946.72 = 88,474.72/x
3. Step 3: Cross multiply
   152,129.92x = 209,946.72 × 88,474.72
4. Step 4: Simplify right side
   152,129.92x = 18,574,977,266.92
5. Step 5: Solve for x
   x = 18,574,977,266.92/152,129.92
6. Step 6: Final answer
   x = 122,099.43