Finding the Fourth Proportional to 59,721.05, 89,551.35 and 26,451.31

Step by Step Solution

1. Step 1: Write the proportion equation
   59,721.05 : 89,551.35 = 26,451.31 : x
2. Step 2: Convert to fraction form
   59,721.05/89,551.35 = 26,451.31/x
3. Step 3: Cross multiply
   59,721.05x = 89,551.35 × 26,451.31
4. Step 4: Simplify right side
   59,721.05x = 2,368,750,387.51
5. Step 5: Solve for x
   x = 2,368,750,387.51/59,721.05
6. Step 6: Final answer
   x = 39,663.58