Finding the Fourth Proportional to 89,006.18, 133,470.32 and 26,662.10

Step by Step Solution

1. Step 1: Write the proportion equation
   89,006.18 : 133,470.32 = 26,662.10 : x
2. Step 2: Convert to fraction form
   89,006.18/133,470.32 = 26,662.10/x
3. Step 3: Cross multiply
   89,006.18x = 133,470.32 × 26,662.10
4. Step 4: Simplify right side
   89,006.18x = 3,558,598,218.21
5. Step 5: Solve for x
   x = 3,558,598,218.21/89,006.18
6. Step 6: Final answer
   x = 39,981.48