Finding the Fourth Proportional to 1,627.43, 2,244.43 and 1,312.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.43 : 2,244.43 = 1,312.59 : x
2. Step 2: Convert to fraction form
   1,627.43/2,244.43 = 1,312.59/x
3. Step 3: Cross multiply
   1,627.43x = 2,244.43 × 1,312.59
4. Step 4: Simplify right side
   1,627.43x = 2,946,017.50
5. Step 5: Solve for x
   x = 2,946,017.50/1,627.43
6. Step 6: Final answer
   x = 1,810.23