Finding the Fourth Proportional to 39,111.42, 54,018.24 and 26,514.30

Step by Step Solution

1. Step 1: Write the proportion equation
   39,111.42 : 54,018.24 = 26,514.30 : x
2. Step 2: Convert to fraction form
   39,111.42/54,018.24 = 26,514.30/x
3. Step 3: Cross multiply
   39,111.42x = 54,018.24 × 26,514.30
4. Step 4: Simplify right side
   39,111.42x = 1,432,255,820.83
5. Step 5: Solve for x
   x = 1,432,255,820.83/39,111.42
6. Step 6: Final answer
   x = 36,619.89