Finding the Fourth Proportional to 7,045.31, 10,572.58 and 2,662.77

Step by Step Solution

1. Step 1: Write the proportion equation
   7,045.31 : 10,572.58 = 2,662.77 : x
2. Step 2: Convert to fraction form
   7,045.31/10,572.58 = 2,662.77/x
3. Step 3: Cross multiply
   7,045.31x = 10,572.58 × 2,662.77
4. Step 4: Simplify right side
   7,045.31x = 28,152,302.54
5. Step 5: Solve for x
   x = 28,152,302.54/7,045.31
6. Step 6: Final answer
   x = 3,995.89