Finding the Fourth Proportional to 215,067.28, 322,578.78 and 65,301.52

Step by Step Solution

1. Step 1: Write the proportion equation
   215,067.28 : 322,578.78 = 65,301.52 : x
2. Step 2: Convert to fraction form
   215,067.28/322,578.78 = 65,301.52/x
3. Step 3: Cross multiply
   215,067.28x = 322,578.78 × 65,301.52
4. Step 4: Simplify right side
   215,067.28x = 21,064,884,653.75
5. Step 5: Solve for x
   x = 21,064,884,653.75/215,067.28
6. Step 6: Final answer
   x = 97,945.56