Finding the Fourth Proportional to 89,145.99, 133,739.69 and 25,967.61

Step by Step Solution

1. Step 1: Write the proportion equation
   89,145.99 : 133,739.69 = 25,967.61 : x
2. Step 2: Convert to fraction form
   89,145.99/133,739.69 = 25,967.61/x
3. Step 3: Cross multiply
   89,145.99x = 133,739.69 × 25,967.61
4. Step 4: Simplify right side
   89,145.99x = 3,472,899,981.60
5. Step 5: Solve for x
   x = 3,472,899,981.60/89,145.99
6. Step 6: Final answer
   x = 38,957.44