Finding the Fourth Proportional to 11,011.56, 15,196.70 and 6,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,011.56 : 15,196.70 = 6,231.50 : x
2. Step 2: Convert to fraction form
   11,011.56/15,196.70 = 6,231.50/x
3. Step 3: Cross multiply
   11,011.56x = 15,196.70 × 6,231.50
4. Step 4: Simplify right side
   11,011.56x = 94,698,204.89
5. Step 5: Solve for x
   x = 94,698,204.89/11,011.56
6. Step 6: Final answer
   x = 8,599.89