Finding the Fourth Proportional to 1,340.48, 1,848.57 and 1,060.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.48 : 1,848.57 = 1,060.31 : x
2. Step 2: Convert to fraction form
   1,340.48/1,848.57 = 1,060.31/x
3. Step 3: Cross multiply
   1,340.48x = 1,848.57 × 1,060.31
4. Step 4: Simplify right side
   1,340.48x = 1,960,057.26
5. Step 5: Solve for x
   x = 1,960,057.26/1,340.48
6. Step 6: Final answer
   x = 1,462.21