Finding the Fourth Proportional to 2,002.93, 2,758.32 and 1,960

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.93 : 2,758.32 = 1,960 : x
2. Step 2: Convert to fraction form
   2,002.93/2,758.32 = 1,960/x
3. Step 3: Cross multiply
   2,002.93x = 2,758.32 × 1,960
4. Step 4: Simplify right side
   2,002.93x = 5,406,307.20
5. Step 5: Solve for x
   x = 5,406,307.20/2,002.93
6. Step 6: Final answer
   x = 2,699.20