Finding the Fourth Proportional to 10,308.21, 14,225.40 and 5,592.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,308.21 : 14,225.40 = 5,592.57 : x
2. Step 2: Convert to fraction form
   10,308.21/14,225.40 = 5,592.57/x
3. Step 3: Cross multiply
   10,308.21x = 14,225.40 × 5,592.57
4. Step 4: Simplify right side
   10,308.21x = 79,556,545.28
5. Step 5: Solve for x
   x = 79,556,545.28/10,308.21
6. Step 6: Final answer
   x = 7,717.78