Finding the Fourth Proportional to 4,753.13, 7,128.72 and 1,465.43

Step by Step Solution

1. Step 1: Write the proportion equation
   4,753.13 : 7,128.72 = 1,465.43 : x
2. Step 2: Convert to fraction form
   4,753.13/7,128.72 = 1,465.43/x
3. Step 3: Cross multiply
   4,753.13x = 7,128.72 × 1,465.43
4. Step 4: Simplify right side
   4,753.13x = 10,446,640.15
5. Step 5: Solve for x
   x = 10,446,640.15/4,753.13
6. Step 6: Final answer
   x = 2,197.84