Finding the Fourth Proportional to 8,334.76, 11,499.96 and 5,188.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,334.76 : 11,499.96 = 5,188.72 : x
2. Step 2: Convert to fraction form
   8,334.76/11,499.96 = 5,188.72/x
3. Step 3: Cross multiply
   8,334.76x = 11,499.96 × 5,188.72
4. Step 4: Simplify right side
   8,334.76x = 59,670,072.45
5. Step 5: Solve for x
   x = 59,670,072.45/8,334.76
6. Step 6: Final answer
   x = 7,159.18