Finding the Fourth Proportional to 107,406.72, 161,108.37 and 26,354.61

Step by Step Solution

1. Step 1: Write the proportion equation
   107,406.72 : 161,108.37 = 26,354.61 : x
2. Step 2: Convert to fraction form
   107,406.72/161,108.37 = 26,354.61/x
3. Step 3: Cross multiply
   107,406.72x = 161,108.37 × 26,354.61
4. Step 4: Simplify right side
   107,406.72x = 4,245,948,259.09
5. Step 5: Solve for x
   x = 4,245,948,259.09/107,406.72
6. Step 6: Final answer
   x = 39,531.50