Finding the Fourth Proportional to 2,654.72, 3,978.72 and 1,501.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.72 : 3,978.72 = 1,501.12 : x
2. Step 2: Convert to fraction form
   2,654.72/3,978.72 = 1,501.12/x
3. Step 3: Cross multiply
   2,654.72x = 3,978.72 × 1,501.12
4. Step 4: Simplify right side
   2,654.72x = 5,972,536.17
5. Step 5: Solve for x
   x = 5,972,536.17/2,654.72
6. Step 6: Final answer
   x = 2,249.78