Finding the Fourth Proportional to 17,123.08, 25,684.35 and 5,436.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,123.08 : 25,684.35 = 5,436.16 : x
2. Step 2: Convert to fraction form
   17,123.08/25,684.35 = 5,436.16/x
3. Step 3: Cross multiply
   17,123.08x = 25,684.35 × 5,436.16
4. Step 4: Simplify right side
   17,123.08x = 139,624,236.10
5. Step 5: Solve for x
   x = 139,624,236.10/17,123.08
6. Step 6: Final answer
   x = 8,154.15