Finding the Fourth Proportional to 2,552.48, 3,522.91 and 1,666.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.48 : 3,522.91 = 1,666.75 : x
2. Step 2: Convert to fraction form
   2,552.48/3,522.91 = 1,666.75/x
3. Step 3: Cross multiply
   2,552.48x = 3,522.91 × 1,666.75
4. Step 4: Simplify right side
   2,552.48x = 5,871,792.63
5. Step 5: Solve for x
   x = 5,871,792.63/2,552.48
6. Step 6: Final answer
   x = 2,300.43