Finding the Fourth Proportional to 1,869.53, 2,561.27 and 1,799.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869.53 : 2,561.27 = 1,799.47 : x
2. Step 2: Convert to fraction form
   1,869.53/2,561.27 = 1,799.47/x
3. Step 3: Cross multiply
   1,869.53x = 2,561.27 × 1,799.47
4. Step 4: Simplify right side
   1,869.53x = 4,608,928.53
5. Step 5: Solve for x
   x = 4,608,928.53/1,869.53
6. Step 6: Final answer
   x = 2,465.29