Finding the Fourth Proportional to 89,085.99, 133,649.64 and 25,907.61

Step by Step Solution

1. Step 1: Write the proportion equation
   89,085.99 : 133,649.64 = 25,907.61 : x
2. Step 2: Convert to fraction form
   89,085.99/133,649.64 = 25,907.61/x
3. Step 3: Cross multiply
   89,085.99x = 133,649.64 × 25,907.61
4. Step 4: Simplify right side
   89,085.99x = 3,462,542,749.76
5. Step 5: Solve for x
   x = 3,462,542,749.76/89,085.99
6. Step 6: Final answer
   x = 38,867.42