Finding the Fourth Proportional to 2,004.72, 3,002.52 and 1,385.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,004.72 : 3,002.52 = 1,385.62 : x
2. Step 2: Convert to fraction form
   2,004.72/3,002.52 = 1,385.62/x
3. Step 3: Cross multiply
   2,004.72x = 3,002.52 × 1,385.62
4. Step 4: Simplify right side
   2,004.72x = 4,160,351.76
5. Step 5: Solve for x
   x = 4,160,351.76/2,004.72
6. Step 6: Final answer
   x = 2,075.28