Finding the Fourth Proportional to 7,219.92, 10,824.72 and 4,874.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,219.92 : 10,824.72 = 4,874.06 : x
2. Step 2: Convert to fraction form
   7,219.92/10,824.72 = 4,874.06/x
3. Step 3: Cross multiply
   7,219.92x = 10,824.72 × 4,874.06
4. Step 4: Simplify right side
   7,219.92x = 52,760,334.76
5. Step 5: Solve for x
   x = 52,760,334.76/7,219.92
6. Step 6: Final answer
   x = 7,307.61