Finding the Fourth Proportional to 59,721.50, 89,567.89 and 17,590.19

Step by Step Solution

1. Step 1: Write the proportion equation
   59,721.50 : 89,567.89 = 17,590.19 : x
2. Step 2: Convert to fraction form
   59,721.50/89,567.89 = 17,590.19/x
3. Step 3: Cross multiply
   59,721.50x = 89,567.89 × 17,590.19
4. Step 4: Simplify right side
   59,721.50x = 1,575,516,516.39
5. Step 5: Solve for x
   x = 1,575,516,516.39/59,721.50
6. Step 6: Final answer
   x = 26,381.06