Finding the Fourth Proportional to 1,897.02, 2,618.46 and 1,291.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.02 : 2,618.46 = 1,291.41 : x
2. Step 2: Convert to fraction form
   1,897.02/2,618.46 = 1,291.41/x
3. Step 3: Cross multiply
   1,897.02x = 2,618.46 × 1,291.41
4. Step 4: Simplify right side
   1,897.02x = 3,381,505.43
5. Step 5: Solve for x
   x = 3,381,505.43/1,897.02
6. Step 6: Final answer
   x = 1,782.54