Finding the Fourth Proportional to 2,663.03, 3,989.86 and 2,373.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.03 : 3,989.86 = 2,373.11 : x
2. Step 2: Convert to fraction form
   2,663.03/3,989.86 = 2,373.11/x
3. Step 3: Cross multiply
   2,663.03x = 3,989.86 × 2,373.11
4. Step 4: Simplify right side
   2,663.03x = 9,468,380.71
5. Step 5: Solve for x
   x = 9,468,380.71/2,663.03
6. Step 6: Final answer
   x = 3,555.49