Finding the Fourth Proportional to 10,861.38, 16,294.72 and 3,465.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,861.38 : 16,294.72 = 3,465.84 : x
2. Step 2: Convert to fraction form
   10,861.38/16,294.72 = 3,465.84/x
3. Step 3: Cross multiply
   10,861.38x = 16,294.72 × 3,465.84
4. Step 4: Simplify right side
   10,861.38x = 56,474,892.36
5. Step 5: Solve for x
   x = 56,474,892.36/10,861.38
6. Step 6: Final answer
   x = 5,199.61