Finding the Fourth Proportional to 3,503.12, 5,255.69 and 1,038.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,503.12 : 5,255.69 = 1,038.00 : x
2. Step 2: Convert to fraction form
   3,503.12/5,255.69 = 1,038.00/x
3. Step 3: Cross multiply
   3,503.12x = 5,255.69 × 1,038.00
4. Step 4: Simplify right side
   3,503.12x = 5,455,386.66
5. Step 5: Solve for x
   x = 5,455,386.66/3,503.12
6. Step 6: Final answer
   x = 1,557.29