Finding the Fourth Proportional to 59,779.05, 89,647.62 and 17,647.89

Step by Step Solution

1. Step 1: Write the proportion equation
   59,779.05 : 89,647.62 = 17,647.89 : x
2. Step 2: Convert to fraction form
   59,779.05/89,647.62 = 17,647.89/x
3. Step 3: Cross multiply
   59,779.05x = 89,647.62 × 17,647.89
4. Step 4: Simplify right side
   59,779.05x = 1,582,091,336.52
5. Step 5: Solve for x
   x = 1,582,091,336.52/59,779.05
6. Step 6: Final answer
   x = 26,465.65