Finding the Fourth Proportional to 17,667.35, 26,457.27 and 9,859.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,667.35 : 26,457.27 = 9,859.76 : x
2. Step 2: Convert to fraction form
   17,667.35/26,457.27 = 9,859.76/x
3. Step 3: Cross multiply
   17,667.35x = 26,457.27 × 9,859.76
4. Step 4: Simplify right side
   17,667.35x = 260,862,200.17
5. Step 5: Solve for x
   x = 260,862,200.17/17,667.35
6. Step 6: Final answer
   x = 14,765.22