Finding the Fourth Proportional to 4,953.52, 7,430.38 and 1,443.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,953.52 : 7,430.38 = 1,443.78 : x
2. Step 2: Convert to fraction form
   4,953.52/7,430.38 = 1,443.78/x
3. Step 3: Cross multiply
   4,953.52x = 7,430.38 × 1,443.78
4. Step 4: Simplify right side
   4,953.52x = 10,727,834.04
5. Step 5: Solve for x
   x = 10,727,834.04/4,953.52
6. Step 6: Final answer
   x = 2,165.70