Finding the Fourth Proportional to 7,304.80, 10,079.12 and 4,320.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,304.80 : 10,079.12 = 4,320.72 : x
2. Step 2: Convert to fraction form
   7,304.80/10,079.12 = 4,320.72/x
3. Step 3: Cross multiply
   7,304.80x = 10,079.12 × 4,320.72
4. Step 4: Simplify right side
   7,304.80x = 43,549,055.37
5. Step 5: Solve for x
   x = 43,549,055.37/7,304.80
6. Step 6: Final answer
   x = 5,961.70