Finding the Fourth Proportional to 107,209.24, 147,514.23 and 88,018.31

Step by Step Solution

1. Step 1: Write the proportion equation
   107,209.24 : 147,514.23 = 88,018.31 : x
2. Step 2: Convert to fraction form
   107,209.24/147,514.23 = 88,018.31/x
3. Step 3: Cross multiply
   107,209.24x = 147,514.23 × 88,018.31
4. Step 4: Simplify right side
   107,209.24x = 12,983,953,594.34
5. Step 5: Solve for x
   x = 12,983,953,594.34/107,209.24
6. Step 6: Final answer
   x = 121,108.53