Finding the Fourth Proportional to 152,233.69, 210,031.27 and 88,519.09

Step by Step Solution

1. Step 1: Write the proportion equation
   152,233.69 : 210,031.27 = 88,519.09 : x
2. Step 2: Convert to fraction form
   152,233.69/210,031.27 = 88,519.09/x
3. Step 3: Cross multiply
   152,233.69x = 210,031.27 × 88,519.09
4. Step 4: Simplify right side
   152,233.69x = 18,591,776,891.94
5. Step 5: Solve for x
   x = 18,591,776,891.94/152,233.69
6. Step 6: Final answer
   x = 122,126.56