Finding the Fourth Proportional to 5,592.09, 7,770.60 and 5,531.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,592.09 : 7,770.60 = 5,531.34 : x
2. Step 2: Convert to fraction form
   5,592.09/7,770.60 = 5,531.34/x
3. Step 3: Cross multiply
   5,592.09x = 7,770.60 × 5,531.34
4. Step 4: Simplify right side
   5,592.09x = 42,981,830.60
5. Step 5: Solve for x
   x = 42,981,830.60/5,592.09
6. Step 6: Final answer
   x = 7,686.18