Finding the Fourth Proportional to 89,641.52, 134,449.24 and 26,458.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,641.52 : 134,449.24 = 26,458.56 : x
2. Step 2: Convert to fraction form
   89,641.52/134,449.24 = 26,458.56/x
3. Step 3: Cross multiply
   89,641.52x = 134,449.24 × 26,458.56
4. Step 4: Simplify right side
   89,641.52x = 3,557,333,283.49
5. Step 5: Solve for x
   x = 3,557,333,283.49/89,641.52
6. Step 6: Final answer
   x = 39,683.99