Finding the Fourth Proportional to 150,196.28, 207,256.82 and 89,754.92

Step by Step Solution

1. Step 1: Write the proportion equation
   150,196.28 : 207,256.82 = 89,754.92 : x
2. Step 2: Convert to fraction form
   150,196.28/207,256.82 = 89,754.92/x
3. Step 3: Cross multiply
   150,196.28x = 207,256.82 × 89,754.92
4. Step 4: Simplify right side
   150,196.28x = 18,602,319,298.55
5. Step 5: Solve for x
   x = 18,602,319,298.55/150,196.28
6. Step 6: Final answer
   x = 123,853.40