Finding the Fourth Proportional to 8,802.72, 12,147.42 and 5,263.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,802.72 : 12,147.42 = 5,263.82 : x
2. Step 2: Convert to fraction form
   8,802.72/12,147.42 = 5,263.82/x
3. Step 3: Cross multiply
   8,802.72x = 12,147.42 × 5,263.82
4. Step 4: Simplify right side
   8,802.72x = 63,941,832.34
5. Step 5: Solve for x
   x = 63,941,832.34/8,802.72
6. Step 6: Final answer
   x = 7,263.87