Finding the Fourth Proportional to 1,943.47, 2,681.89 and 1,059.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,943.47 : 2,681.89 = 1,059.22 : x
2. Step 2: Convert to fraction form
   1,943.47/2,681.89 = 1,059.22/x
3. Step 3: Cross multiply
   1,943.47x = 2,681.89 × 1,059.22
4. Step 4: Simplify right side
   1,943.47x = 2,840,711.53
5. Step 5: Solve for x
   x = 2,840,711.53/1,943.47
6. Step 6: Final answer
   x = 1,461.67