Finding the Fourth Proportional to 1,627.59, 2,245.55 and 1,038.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.59 : 2,245.55 = 1,038.32 : x
2. Step 2: Convert to fraction form
   1,627.59/2,245.55 = 1,038.32/x
3. Step 3: Cross multiply
   1,627.59x = 2,245.55 × 1,038.32
4. Step 4: Simplify right side
   1,627.59x = 2,331,583.06
5. Step 5: Solve for x
   x = 2,331,583.06/1,627.59
6. Step 6: Final answer
   x = 1,432.54