Finding the Fourth Proportional to 1,532.72, 2,113.28 and 1,296.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,532.72 : 2,113.28 = 1,296.24 : x
2. Step 2: Convert to fraction form
   1,532.72/2,113.28 = 1,296.24/x
3. Step 3: Cross multiply
   1,532.72x = 2,113.28 × 1,296.24
4. Step 4: Simplify right side
   1,532.72x = 2,739,314.83
5. Step 5: Solve for x
   x = 2,739,314.83/1,532.72
6. Step 6: Final answer
   x = 1,787.23