Finding the Fourth Proportional to 8,820.48, 12,172.80 and 5,094.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,820.48 : 12,172.80 = 5,094.72 : x
2. Step 2: Convert to fraction form
   8,820.48/12,172.80 = 5,094.72/x
3. Step 3: Cross multiply
   8,820.48x = 12,172.80 × 5,094.72
4. Step 4: Simplify right side
   8,820.48x = 62,017,007.62
5. Step 5: Solve for x
   x = 62,017,007.62/8,820.48
6. Step 6: Final answer
   x = 7,031.02