Finding the Fourth Proportional to 3,526.40, 5,290.48 and 1,061.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,526.40 : 5,290.48 = 1,061.17 : x
2. Step 2: Convert to fraction form
   3,526.40/5,290.48 = 1,061.17/x
3. Step 3: Cross multiply
   3,526.40x = 5,290.48 × 1,061.17
4. Step 4: Simplify right side
   3,526.40x = 5,614,086.76
5. Step 5: Solve for x
   x = 5,614,086.76/3,526.40
6. Step 6: Final answer
   x = 1,592.02