Finding the Fourth Proportional to 59,779.48, 89,648.18 and 17,648.26

Step by Step Solution

1. Step 1: Write the proportion equation
   59,779.48 : 89,648.18 = 17,648.26 : x
2. Step 2: Convert to fraction form
   59,779.48/89,648.18 = 17,648.26/x
3. Step 3: Cross multiply
   59,779.48x = 89,648.18 × 17,648.26
4. Step 4: Simplify right side
   59,779.48x = 1,582,134,389.17
5. Step 5: Solve for x
   x = 1,582,134,389.17/59,779.48
6. Step 6: Final answer
   x = 26,466.18