Finding the Fourth Proportional to 1,357.04, 1,871.52 and 1,061.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.04 : 1,871.52 = 1,061.80 : x
2. Step 2: Convert to fraction form
   1,357.04/1,871.52 = 1,061.80/x
3. Step 3: Cross multiply
   1,357.04x = 1,871.52 × 1,061.80
4. Step 4: Simplify right side
   1,357.04x = 1,987,179.94
5. Step 5: Solve for x
   x = 1,987,179.94/1,357.04
6. Step 6: Final answer
   x = 1,464.35