Finding the Fourth Proportional to 5,322.72, 7,345.55 and 2,965.01

Step by Step Solution

1. Step 1: Write the proportion equation
   5,322.72 : 7,345.55 = 2,965.01 : x
2. Step 2: Convert to fraction form
   5,322.72/7,345.55 = 2,965.01/x
3. Step 3: Cross multiply
   5,322.72x = 7,345.55 × 2,965.01
4. Step 4: Simplify right side
   5,322.72x = 21,779,616.32
5. Step 5: Solve for x
   x = 21,779,616.32/5,322.72
6. Step 6: Final answer
   x = 4,091.82