Finding the Fourth Proportional to 152,031.72, 209,822.02 and 88,369.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,031.72 : 209,822.02 = 88,369.52 : x
2. Step 2: Convert to fraction form
   152,031.72/209,822.02 = 88,369.52/x
3. Step 3: Cross multiply
   152,031.72x = 209,822.02 × 88,369.52
4. Step 4: Simplify right side
   152,031.72x = 18,541,871,192.83
5. Step 5: Solve for x
   x = 18,541,871,192.83/152,031.72
6. Step 6: Final answer
   x = 121,960.54