Finding the Fourth Proportional to 1,943.30, 2,681.72 and 1,059.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,943.30 : 2,681.72 = 1,059.10 : x
2. Step 2: Convert to fraction form
   1,943.30/2,681.72 = 1,059.10/x
3. Step 3: Cross multiply
   1,943.30x = 2,681.72 × 1,059.10
4. Step 4: Simplify right side
   1,943.30x = 2,840,201.62
5. Step 5: Solve for x
   x = 2,840,201.62/1,943.30
6. Step 6: Final answer
   x = 1,461.53