Finding the Fourth Proportional to 2,131.02, 2,940.30 and 1,199.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.02 : 2,940.30 = 1,199.52 : x
2. Step 2: Convert to fraction form
   2,131.02/2,940.30 = 1,199.52/x
3. Step 3: Cross multiply
   2,131.02x = 2,940.30 × 1,199.52
4. Step 4: Simplify right side
   2,131.02x = 3,526,948.66
5. Step 5: Solve for x
   x = 3,526,948.66/2,131.02
6. Step 6: Final answer
   x = 1,655.05