Finding the Fourth Proportional to 7,374.72, 10,169.42 and 5,696.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,374.72 : 10,169.42 = 5,696.40 : x
2. Step 2: Convert to fraction form
   7,374.72/10,169.42 = 5,696.40/x
3. Step 3: Cross multiply
   7,374.72x = 10,169.42 × 5,696.40
4. Step 4: Simplify right side
   7,374.72x = 57,929,084.09
5. Step 5: Solve for x
   x = 57,929,084.09/7,374.72
6. Step 6: Final answer
   x = 7,855.09