Finding the Fourth Proportional to 7,200.30, 9,925.06 and 5,305.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200.30 : 9,925.06 = 5,305.84 : x
2. Step 2: Convert to fraction form
   7,200.30/9,925.06 = 5,305.84/x
3. Step 3: Cross multiply
   7,200.30x = 9,925.06 × 5,305.84
4. Step 4: Simplify right side
   7,200.30x = 52,660,780.35
5. Step 5: Solve for x
   x = 52,660,780.35/7,200.30
6. Step 6: Final answer
   x = 7,313.69