Finding the Fourth Proportional to 8,772.82, 12,100.89 and 5,234.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,772.82 : 12,100.89 = 5,234.02 : x
2. Step 2: Convert to fraction form
   8,772.82/12,100.89 = 5,234.02/x
3. Step 3: Cross multiply
   8,772.82x = 12,100.89 × 5,234.02
4. Step 4: Simplify right side
   8,772.82x = 63,336,300.28
5. Step 5: Solve for x
   x = 63,336,300.28/8,772.82
6. Step 6: Final answer
   x = 7,219.61