Finding the Fourth Proportional to 9,108.74, 13,667.46 and 4,726.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,108.74 : 13,667.46 = 4,726.20 : x
2. Step 2: Convert to fraction form
   9,108.74/13,667.46 = 4,726.20/x
3. Step 3: Cross multiply
   9,108.74x = 13,667.46 × 4,726.20
4. Step 4: Simplify right side
   9,108.74x = 64,595,119.39
5. Step 5: Solve for x
   x = 64,595,119.39/9,108.74
6. Step 6: Final answer
   x = 7,091.55