Finding the Fourth Proportional to 1,513.74, 2,089.74 and 1,047.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.74 : 2,089.74 = 1,047.18 : x
2. Step 2: Convert to fraction form
   1,513.74/2,089.74 = 1,047.18/x
3. Step 3: Cross multiply
   1,513.74x = 2,089.74 × 1,047.18
4. Step 4: Simplify right side
   1,513.74x = 2,188,333.93
5. Step 5: Solve for x
   x = 2,188,333.93/1,513.74
6. Step 6: Final answer
   x = 1,445.65