Finding the Fourth Proportional to 6,566.70, 9,061.32 and 3,913.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,566.70 : 9,061.32 = 3,913.59 : x
2. Step 2: Convert to fraction form
   6,566.70/9,061.32 = 3,913.59/x
3. Step 3: Cross multiply
   6,566.70x = 9,061.32 × 3,913.59
4. Step 4: Simplify right side
   6,566.70x = 35,462,291.34
5. Step 5: Solve for x
   x = 35,462,291.34/6,566.70
6. Step 6: Final answer
   x = 5,400.32