Finding the Fourth Proportional to 89,854.30, 134,758.38 and 26,659.47

Step by Step Solution

1. Step 1: Write the proportion equation
   89,854.30 : 134,758.38 = 26,659.47 : x
2. Step 2: Convert to fraction form
   89,854.30/134,758.38 = 26,659.47/x
3. Step 3: Cross multiply
   89,854.30x = 134,758.38 × 26,659.47
4. Step 4: Simplify right side
   89,854.30x = 3,592,587,055.51
5. Step 5: Solve for x
   x = 3,592,587,055.51/89,854.30
6. Step 6: Final answer
   x = 39,982.36