Finding the Fourth Proportional to 10,315.62, 15,475.14 and 3,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,315.62 : 15,475.14 = 3,388.50 : x
2. Step 2: Convert to fraction form
   10,315.62/15,475.14 = 3,388.50/x
3. Step 3: Cross multiply
   10,315.62x = 15,475.14 × 3,388.50
4. Step 4: Simplify right side
   10,315.62x = 52,437,511.89
5. Step 5: Solve for x
   x = 52,437,511.89/10,315.62
6. Step 6: Final answer
   x = 5,083.31