Finding the Fourth Proportional to 1,353.69, 1,867.19 and 1,059.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353.69 : 1,867.19 = 1,059.93 : x
2. Step 2: Convert to fraction form
   1,353.69/1,867.19 = 1,059.93/x
3. Step 3: Cross multiply
   1,353.69x = 1,867.19 × 1,059.93
4. Step 4: Simplify right side
   1,353.69x = 1,979,085.40
5. Step 5: Solve for x
   x = 1,979,085.40/1,353.69
6. Step 6: Final answer
   x = 1,461.99