Finding the Fourth Proportional to 1,868.49, 2,803.37 and 1,868.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868.49 : 2,803.37 = 1,868.49 : x
2. Step 2: Convert to fraction form
   1,868.49/2,803.37 = 1,868.49/x
3. Step 3: Cross multiply
   1,868.49x = 2,803.37 × 1,868.49
4. Step 4: Simplify right side
   1,868.49x = 5,238,059.47
5. Step 5: Solve for x
   x = 5,238,059.47/1,868.49
6. Step 6: Final answer
   x = 2,803.37