Finding the Fourth Proportional to 10,372.78, 14,314.35 and 5,656.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,372.78 : 14,314.35 = 5,656.96 : x
2. Step 2: Convert to fraction form
   10,372.78/14,314.35 = 5,656.96/x
3. Step 3: Cross multiply
   10,372.78x = 14,314.35 × 5,656.96
4. Step 4: Simplify right side
   10,372.78x = 80,975,705.38
5. Step 5: Solve for x
   x = 80,975,705.38/10,372.78
6. Step 6: Final answer
   x = 7,806.56