Finding the Fourth Proportional to 3,526.53, 5,289.72 and 1,061.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,526.53 : 5,289.72 = 1,061.25 : x
2. Step 2: Convert to fraction form
   3,526.53/5,289.72 = 1,061.25/x
3. Step 3: Cross multiply
   3,526.53x = 5,289.72 × 1,061.25
4. Step 4: Simplify right side
   3,526.53x = 5,613,715.35
5. Step 5: Solve for x
   x = 5,613,715.35/3,526.53
6. Step 6: Final answer
   x = 1,591.85