Finding the Fourth Proportional to 9,071.73, 13,606.38 and 3,146.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,071.73 : 13,606.38 = 3,146.18 : x
2. Step 2: Convert to fraction form
   9,071.73/13,606.38 = 3,146.18/x
3. Step 3: Cross multiply
   9,071.73x = 13,606.38 × 3,146.18
4. Step 4: Simplify right side
   9,071.73x = 42,808,052.60
5. Step 5: Solve for x
   x = 42,808,052.60/9,071.73
6. Step 6: Final answer
   x = 4,718.84