Finding the Fourth Proportional to 7,227.60, 9,978.72 and 5,904.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,227.60 : 9,978.72 = 5,904.48 : x
2. Step 2: Convert to fraction form
   7,227.60/9,978.72 = 5,904.48/x
3. Step 3: Cross multiply
   7,227.60x = 9,978.72 × 5,904.48
4. Step 4: Simplify right side
   7,227.60x = 58,919,152.67
5. Step 5: Solve for x
   x = 58,919,152.67/7,227.60
6. Step 6: Final answer
   x = 8,151.97