Finding the Fourth Proportional to 64,268.16, 88,698.42 and 35,979.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,268.16 : 88,698.42 = 35,979.72 : x
2. Step 2: Convert to fraction form
   64,268.16/88,698.42 = 35,979.72/x
3. Step 3: Cross multiply
   64,268.16x = 88,698.42 × 35,979.72
4. Step 4: Simplify right side
   64,268.16x = 3,191,344,316.04
5. Step 5: Solve for x
   x = 3,191,344,316.04/64,268.16
6. Step 6: Final answer
   x = 49,656.69