Finding the Fourth Proportional to 1,897.32, 2,618.31 and 1,069.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.32 : 2,618.31 = 1,069.32 : x
2. Step 2: Convert to fraction form
   1,897.32/2,618.31 = 1,069.32/x
3. Step 3: Cross multiply
   1,897.32x = 2,618.31 × 1,069.32
4. Step 4: Simplify right side
   1,897.32x = 2,799,811.25
5. Step 5: Solve for x
   x = 2,799,811.25/1,897.32
6. Step 6: Final answer
   x = 1,475.67