Finding the Fourth Proportional to 2,552, 3,521.76 and 1,505.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552 : 3,521.76 = 1,505.12 : x
2. Step 2: Convert to fraction form
   2,552/3,521.76 = 1,505.12/x
3. Step 3: Cross multiply
   2,552x = 3,521.76 × 1,505.12
4. Step 4: Simplify right side
   2,552x = 5,300,671.41
5. Step 5: Solve for x
   x = 5,300,671.41/2,552
6. Step 6: Final answer
   x = 2,077.07