Finding the Fourth Proportional to 109,106.82, 150,531.21 and 88,929

Step by Step Solution

1. Step 1: Write the proportion equation
   109,106.82 : 150,531.21 = 88,929 : x
2. Step 2: Convert to fraction form
   109,106.82/150,531.21 = 88,929/x
3. Step 3: Cross multiply
   109,106.82x = 150,531.21 × 88,929
4. Step 4: Simplify right side
   109,106.82x = 13,386,589,974.09
5. Step 5: Solve for x
   x = 13,386,589,974.09/109,106.82
6. Step 6: Final answer
   x = 122,692.51