Finding the Fourth Proportional to 5,587.59, 7,764.34 and 5,526.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,587.59 : 7,764.34 = 5,526.84 : x
2. Step 2: Convert to fraction form
   5,587.59/7,764.34 = 5,526.84/x
3. Step 3: Cross multiply
   5,587.59x = 7,764.34 × 5,526.84
4. Step 4: Simplify right side
   5,587.59x = 42,912,264.89
5. Step 5: Solve for x
   x = 42,912,264.89/5,587.59
6. Step 6: Final answer
   x = 7,679.92