Finding the Fourth Proportional to 5,587.10, 7,763.64 and 5,526.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,587.10 : 7,763.64 = 5,526.34 : x
2. Step 2: Convert to fraction form
   5,587.10/7,763.64 = 5,526.34/x
3. Step 3: Cross multiply
   5,587.10x = 7,763.64 × 5,526.34
4. Step 4: Simplify right side
   5,587.10x = 42,904,514.28
5. Step 5: Solve for x
   x = 42,904,514.28/5,587.10
6. Step 6: Final answer
   x = 7,679.21