Finding the Fourth Proportional to 91,601.86, 137,402.90 and 25,042.56

Step by Step Solution

1. Step 1: Write the proportion equation
   91,601.86 : 137,402.90 = 25,042.56 : x
2. Step 2: Convert to fraction form
   91,601.86/137,402.90 = 25,042.56/x
3. Step 3: Cross multiply
   91,601.86x = 137,402.90 × 25,042.56
4. Step 4: Simplify right side
   91,601.86x = 3,440,920,367.42
5. Step 5: Solve for x
   x = 3,440,920,367.42/91,601.86
6. Step 6: Final answer
   x = 37,563.87