Finding the Fourth Proportional to 4,845.12, 7,303.02 and 4,407.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,845.12 : 7,303.02 = 4,407.72 : x
2. Step 2: Convert to fraction form
   4,845.12/7,303.02 = 4,407.72/x
3. Step 3: Cross multiply
   4,845.12x = 7,303.02 × 4,407.72
4. Step 4: Simplify right side
   4,845.12x = 32,189,667.31
5. Step 5: Solve for x
   x = 32,189,667.31/4,845.12
6. Step 6: Final answer
   x = 6,643.73