Finding the Fourth Proportional to 3,002.25, 4,503.15 and 1,054.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,002.25 : 4,503.15 = 1,054.47 : x
2. Step 2: Convert to fraction form
   3,002.25/4,503.15 = 1,054.47/x
3. Step 3: Cross multiply
   3,002.25x = 4,503.15 × 1,054.47
4. Step 4: Simplify right side
   3,002.25x = 4,748,436.58
5. Step 5: Solve for x
   x = 4,748,436.58/3,002.25
6. Step 6: Final answer
   x = 1,581.63