Finding the Fourth Proportional to 109,106.32, 150,530.52 and 88,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,106.32 : 150,530.52 = 88,928.50 : x
2. Step 2: Convert to fraction form
   109,106.32/150,530.52 = 88,928.50/x
3. Step 3: Cross multiply
   109,106.32x = 150,530.52 × 88,928.50
4. Step 4: Simplify right side
   109,106.32x = 13,386,453,347.82
5. Step 5: Solve for x
   x = 13,386,453,347.82/109,106.32
6. Step 6: Final answer
   x = 122,691.82