Finding the Fourth Proportional to 1,618.52, 2,422.38 and 1,171.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618.52 : 2,422.38 = 1,171.94 : x
2. Step 2: Convert to fraction form
   1,618.52/2,422.38 = 1,171.94/x
3. Step 3: Cross multiply
   1,618.52x = 2,422.38 × 1,171.94
4. Step 4: Simplify right side
   1,618.52x = 2,838,884.02
5. Step 5: Solve for x
   x = 2,838,884.02/1,618.52
6. Step 6: Final answer
   x = 1,754.00