Finding the Fourth Proportional to 2,131.52, 2,941.90 and 1,200.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131.52 : 2,941.90 = 1,200.02 : x
2. Step 2: Convert to fraction form
   2,131.52/2,941.90 = 1,200.02/x
3. Step 3: Cross multiply
   2,131.52x = 2,941.90 × 1,200.02
4. Step 4: Simplify right side
   2,131.52x = 3,530,338.84
5. Step 5: Solve for x
   x = 3,530,338.84/2,131.52
6. Step 6: Final answer
   x = 1,656.25