Finding the Fourth Proportional to 5,466.89, 7,526.05 and 5,215.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,466.89 : 7,526.05 = 5,215.81 : x
2. Step 2: Convert to fraction form
   5,466.89/7,526.05 = 5,215.81/x
3. Step 3: Cross multiply
   5,466.89x = 7,526.05 × 5,215.81
4. Step 4: Simplify right side
   5,466.89x = 39,254,450.27
5. Step 5: Solve for x
   x = 39,254,450.27/5,466.89
6. Step 6: Final answer
   x = 7,180.40