Finding the Fourth Proportional to 1,975.50, 2,726.43 and 1,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,975.50 : 2,726.43 = 1,147.50 : x
2. Step 2: Convert to fraction form
   1,975.50/2,726.43 = 1,147.50/x
3. Step 3: Cross multiply
   1,975.50x = 2,726.43 × 1,147.50
4. Step 4: Simplify right side
   1,975.50x = 3,128,578.43
5. Step 5: Solve for x
   x = 3,128,578.43/1,975.50
6. Step 6: Final answer
   x = 1,583.69