Finding the Fourth Proportional to 1,393.14, 1,924.20 and 1,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.14 : 1,924.20 = 1,061.40 : x
2. Step 2: Convert to fraction form
   1,393.14/1,924.20 = 1,061.40/x
3. Step 3: Cross multiply
   1,393.14x = 1,924.20 × 1,061.40
4. Step 4: Simplify right side
   1,393.14x = 2,042,345.88
5. Step 5: Solve for x
   x = 2,042,345.88/1,393.14
6. Step 6: Final answer
   x = 1,466.00