Finding the Fourth Proportional to 2,002.23, 2,988.05 and 1,783.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.23 : 2,988.05 = 1,783.53 : x
2. Step 2: Convert to fraction form
   2,002.23/2,988.05 = 1,783.53/x
3. Step 3: Cross multiply
   2,002.23x = 2,988.05 × 1,783.53
4. Step 4: Simplify right side
   2,002.23x = 5,329,267.90
5. Step 5: Solve for x
   x = 5,329,267.90/2,002.23
6. Step 6: Final answer
   x = 2,661.67