Finding the Fourth Proportional to 1,494.52, 2,061.52 and 1,388.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,494.52 : 2,061.52 = 1,388.95 : x
2. Step 2: Convert to fraction form
   1,494.52/2,061.52 = 1,388.95/x
3. Step 3: Cross multiply
   1,494.52x = 2,061.52 × 1,388.95
4. Step 4: Simplify right side
   1,494.52x = 2,863,339.58
5. Step 5: Solve for x
   x = 2,863,339.58/1,494.52
6. Step 6: Final answer
   x = 1,915.90