Finding the Fourth Proportional to 3,527.55, 5,289.62 and 1,061.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,527.55 : 5,289.62 = 1,061.91 : x
2. Step 2: Convert to fraction form
   3,527.55/5,289.62 = 1,061.91/x
3. Step 3: Cross multiply
   3,527.55x = 5,289.62 × 1,061.91
4. Step 4: Simplify right side
   3,527.55x = 5,617,095.06
5. Step 5: Solve for x
   x = 5,617,095.06/3,527.55
6. Step 6: Final answer
   x = 1,592.35