Finding the Fourth Proportional to 10,412.62, 14,369.13 and 5,696.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,412.62 : 14,369.13 = 5,696.80 : x
2. Step 2: Convert to fraction form
   10,412.62/14,369.13 = 5,696.80/x
3. Step 3: Cross multiply
   10,412.62x = 14,369.13 × 5,696.80
4. Step 4: Simplify right side
   10,412.62x = 81,858,059.78
5. Step 5: Solve for x
   x = 81,858,059.78/10,412.62
6. Step 6: Final answer
   x = 7,861.43