Finding the Fourth Proportional to 17,011.68, 23,478.06 and 9,458.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,011.68 : 23,478.06 = 9,458.76 : x
2. Step 2: Convert to fraction form
   17,011.68/23,478.06 = 9,458.76/x
3. Step 3: Cross multiply
   17,011.68x = 23,478.06 × 9,458.76
4. Step 4: Simplify right side
   17,011.68x = 222,073,334.81
5. Step 5: Solve for x
   x = 222,073,334.81/17,011.68
6. Step 6: Final answer
   x = 13,054.17