Finding the Fourth Proportional to 2,128.14, 3,192.03 and 973.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.14 : 3,192.03 = 973.89 : x
2. Step 2: Convert to fraction form
   2,128.14/3,192.03 = 973.89/x
3. Step 3: Cross multiply
   2,128.14x = 3,192.03 × 973.89
4. Step 4: Simplify right side
   2,128.14x = 3,108,686.10
5. Step 5: Solve for x
   x = 3,108,686.10/2,128.14
6. Step 6: Final answer
   x = 1,460.75