Finding the Fourth Proportional to 1,557.38, 2,334.51 and 734.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557.38 : 2,334.51 = 734.18 : x
2. Step 2: Convert to fraction form
   1,557.38/2,334.51 = 734.18/x
3. Step 3: Cross multiply
   1,557.38x = 2,334.51 × 734.18
4. Step 4: Simplify right side
   1,557.38x = 1,713,938.88
5. Step 5: Solve for x
   x = 1,713,938.88/1,557.38
6. Step 6: Final answer
   x = 1,100.53