Finding the Fourth Proportional to 1,339.53, 1,847.98 and 897.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.53 : 1,847.98 = 897.47 : x
2. Step 2: Convert to fraction form
   1,339.53/1,847.98 = 897.47/x
3. Step 3: Cross multiply
   1,339.53x = 1,847.98 × 897.47
4. Step 4: Simplify right side
   1,339.53x = 1,658,506.61
5. Step 5: Solve for x
   x = 1,658,506.61/1,339.53
6. Step 6: Final answer
   x = 1,238.13