Finding the Fourth Proportional to 2,128.52, 2,937.32 and 1,197.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.52 : 2,937.32 = 1,197.02 : x
2. Step 2: Convert to fraction form
   2,128.52/2,937.32 = 1,197.02/x
3. Step 3: Cross multiply
   2,128.52x = 2,937.32 × 1,197.02
4. Step 4: Simplify right side
   2,128.52x = 3,516,019.09
5. Step 5: Solve for x
   x = 3,516,019.09/2,128.52
6. Step 6: Final answer
   x = 1,651.86