Finding the Fourth Proportional to 1,471.39, 2,203.72 and 702.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.39 : 2,203.72 = 702.43 : x
2. Step 2: Convert to fraction form
   1,471.39/2,203.72 = 702.43/x
3. Step 3: Cross multiply
   1,471.39x = 2,203.72 × 702.43
4. Step 4: Simplify right side
   1,471.39x = 1,547,944.51
5. Step 5: Solve for x
   x = 1,547,944.51/1,471.39
6. Step 6: Final answer
   x = 1,052.03