Finding the Fourth Proportional to 10,173.78, 14,039.01 and 5,696.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,173.78 : 14,039.01 = 5,696.93 : x
2. Step 2: Convert to fraction form
   10,173.78/14,039.01 = 5,696.93/x
3. Step 3: Cross multiply
   10,173.78x = 14,039.01 × 5,696.93
4. Step 4: Simplify right side
   10,173.78x = 79,979,187.04
5. Step 5: Solve for x
   x = 79,979,187.04/10,173.78
6. Step 6: Final answer
   x = 7,861.30