Finding the Fourth Proportional to 151,882.32, 209,546.28 and 88,196.88

Step by Step Solution

1. Step 1: Write the proportion equation
   151,882.32 : 209,546.28 = 88,196.88 : x
2. Step 2: Convert to fraction form
   151,882.32/209,546.28 = 88,196.88/x
3. Step 3: Cross multiply
   151,882.32x = 209,546.28 × 88,196.88
4. Step 4: Simplify right side
   151,882.32x = 18,481,328,111.61
5. Step 5: Solve for x
   x = 18,481,328,111.61/151,882.32
6. Step 6: Final answer
   x = 121,681.89