Finding the Fourth Proportional to 89,093.79, 133,619.63 and 25,897.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,093.79 : 133,619.63 = 25,897.05 : x
2. Step 2: Convert to fraction form
   89,093.79/133,619.63 = 25,897.05/x
3. Step 3: Cross multiply
   89,093.79x = 133,619.63 × 25,897.05
4. Step 4: Simplify right side
   89,093.79x = 3,460,354,109.61
5. Step 5: Solve for x
   x = 3,460,354,109.61/89,093.79
6. Step 6: Final answer
   x = 38,839.45