Finding the Fourth Proportional to 3,503.32, 5,256.10 and 1,038.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,503.32 : 5,256.10 = 1,038.16 : x
2. Step 2: Convert to fraction form
   3,503.32/5,256.10 = 1,038.16/x
3. Step 3: Cross multiply
   3,503.32x = 5,256.10 × 1,038.16
4. Step 4: Simplify right side
   3,503.32x = 5,456,672.78
5. Step 5: Solve for x
   x = 5,456,672.78/3,503.32
6. Step 6: Final answer
   x = 1,557.57