Finding the Fourth Proportional to 132,514.34, 198,692.47 and 89,872.30

Step by Step Solution

1. Step 1: Write the proportion equation
   132,514.34 : 198,692.47 = 89,872.30 : x
2. Step 2: Convert to fraction form
   132,514.34/198,692.47 = 89,872.30/x
3. Step 3: Cross multiply
   132,514.34x = 198,692.47 × 89,872.30
4. Step 4: Simplify right side
   132,514.34x = 17,856,949,271.58
5. Step 5: Solve for x
   x = 17,856,949,271.58/132,514.34
6. Step 6: Final answer
   x = 134,754.84