Finding the Fourth Proportional to 2,128.50, 2,937.48 and 1,197

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.50 : 2,937.48 = 1,197 : x
2. Step 2: Convert to fraction form
   2,128.50/2,937.48 = 1,197/x
3. Step 3: Cross multiply
   2,128.50x = 2,937.48 × 1,197
4. Step 4: Simplify right side
   2,128.50x = 3,516,163.56
5. Step 5: Solve for x
   x = 3,516,163.56/2,128.50
6. Step 6: Final answer
   x = 1,651.94