Finding the Fourth Proportional to 10,099.72, 13,937.20 and 5,623.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,099.72 : 13,937.20 = 5,623.35 : x
2. Step 2: Convert to fraction form
   10,099.72/13,937.20 = 5,623.35/x
3. Step 3: Cross multiply
   10,099.72x = 13,937.20 × 5,623.35
4. Step 4: Simplify right side
   10,099.72x = 78,373,753.62
5. Step 5: Solve for x
   x = 78,373,753.62/10,099.72
6. Step 6: Final answer
   x = 7,759.99