Finding the Fourth Proportional to 10,255.98, 15,369.09 and 5,572.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,255.98 : 15,369.09 = 5,572.02 : x
2. Step 2: Convert to fraction form
   10,255.98/15,369.09 = 5,572.02/x
3. Step 3: Cross multiply
   10,255.98x = 15,369.09 × 5,572.02
4. Step 4: Simplify right side
   10,255.98x = 85,636,876.86
5. Step 5: Solve for x
   x = 85,636,876.86/10,255.98
6. Step 6: Final answer
   x = 8,349.95