Finding the Fourth Proportional to 1,525.89, 2,100.49 and 1,152.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525.89 : 2,100.49 = 1,152.28 : x
2. Step 2: Convert to fraction form
   1,525.89/2,100.49 = 1,152.28/x
3. Step 3: Cross multiply
   1,525.89x = 2,100.49 × 1,152.28
4. Step 4: Simplify right side
   1,525.89x = 2,420,352.62
5. Step 5: Solve for x
   x = 2,420,352.62/1,525.89
6. Step 6: Final answer
   x = 1,586.19