Finding the Fourth Proportional to 1,637.08, 2,258.55 and 1,047.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637.08 : 2,258.55 = 1,047.52 : x
2. Step 2: Convert to fraction form
   1,637.08/2,258.55 = 1,047.52/x
3. Step 3: Cross multiply
   1,637.08x = 2,258.55 × 1,047.52
4. Step 4: Simplify right side
   1,637.08x = 2,365,876.30
5. Step 5: Solve for x
   x = 2,365,876.30/1,637.08
6. Step 6: Final answer
   x = 1,445.18