Finding the Fourth Proportional to 5,262.72, 7,262.55 and 2,904.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,262.72 : 7,262.55 = 2,904.86 : x
2. Step 2: Convert to fraction form
   5,262.72/7,262.55 = 2,904.86/x
3. Step 3: Cross multiply
   5,262.72x = 7,262.55 × 2,904.86
4. Step 4: Simplify right side
   5,262.72x = 21,096,698.26
5. Step 5: Solve for x
   x = 21,096,698.26/5,262.72
6. Step 6: Final answer
   x = 4,008.71