Finding the Fourth Proportional to 2,002.13, 2,763.06 and 1,117.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.13 : 2,763.06 = 1,117.99 : x
2. Step 2: Convert to fraction form
   2,002.13/2,763.06 = 1,117.99/x
3. Step 3: Cross multiply
   2,002.13x = 2,763.06 × 1,117.99
4. Step 4: Simplify right side
   2,002.13x = 3,089,073.45
5. Step 5: Solve for x
   x = 3,089,073.45/2,002.13
6. Step 6: Final answer
   x = 1,542.89