Finding the Fourth Proportional to 10,807.35, 16,203.15 and 7,288.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,807.35 : 16,203.15 = 7,288.62 : x
2. Step 2: Convert to fraction form
   10,807.35/16,203.15 = 7,288.62/x
3. Step 3: Cross multiply
   10,807.35x = 16,203.15 × 7,288.62
4. Step 4: Simplify right side
   10,807.35x = 118,098,603.15
5. Step 5: Solve for x
   x = 118,098,603.15/10,807.35
6. Step 6: Final answer
   x = 10,927.62