Finding the Fourth Proportional to 10,308.78, 14,225.70 and 5,592.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,308.78 : 14,225.70 = 5,592.96 : x
2. Step 2: Convert to fraction form
   10,308.78/14,225.70 = 5,592.96/x
3. Step 3: Cross multiply
   10,308.78x = 14,225.70 × 5,592.96
4. Step 4: Simplify right side
   10,308.78x = 79,563,771.07
5. Step 5: Solve for x
   x = 79,563,771.07/10,308.78
6. Step 6: Final answer
   x = 7,718.06