Finding the Fourth Proportional to 136,245.38, 187,912.12 and 88,514.10

Step by Step Solution

1. Step 1: Write the proportion equation
   136,245.38 : 187,912.12 = 88,514.10 : x
2. Step 2: Convert to fraction form
   136,245.38/187,912.12 = 88,514.10/x
3. Step 3: Cross multiply
   136,245.38x = 187,912.12 × 88,514.10
4. Step 4: Simplify right side
   136,245.38x = 16,632,872,180.89
5. Step 5: Solve for x
   x = 16,632,872,180.89/136,245.38
6. Step 6: Final answer
   x = 122,080.27