Finding the Fourth Proportional to 4,109.52, 5,667.76 and 2,781.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,109.52 : 5,667.76 = 2,781.12 : x
2. Step 2: Convert to fraction form
   4,109.52/5,667.76 = 2,781.12/x
3. Step 3: Cross multiply
   4,109.52x = 5,667.76 × 2,781.12
4. Step 4: Simplify right side
   4,109.52x = 15,762,720.69
5. Step 5: Solve for x
   x = 15,762,720.69/4,109.52
6. Step 6: Final answer
   x = 3,835.66