Finding the Fourth Proportional to 7,047.36, 10,572.53 and 2,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,047.36 : 10,572.53 = 2,664.72 : x
2. Step 2: Convert to fraction form
   7,047.36/10,572.53 = 2,664.72/x
3. Step 3: Cross multiply
   7,047.36x = 10,572.53 × 2,664.72
4. Step 4: Simplify right side
   7,047.36x = 28,172,818.82
5. Step 5: Solve for x
   x = 28,172,818.82/7,047.36
6. Step 6: Final answer
   x = 3,997.64