Finding the Fourth Proportional to 8,685.16, 13,030.17 and 3,494.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,685.16 : 13,030.17 = 3,494.68 : x
2. Step 2: Convert to fraction form
   8,685.16/13,030.17 = 3,494.68/x
3. Step 3: Cross multiply
   8,685.16x = 13,030.17 × 3,494.68
4. Step 4: Simplify right side
   8,685.16x = 45,536,274.50
5. Step 5: Solve for x
   x = 45,536,274.50/8,685.16
6. Step 6: Final answer
   x = 5,243.00