Finding the Fourth Proportional to 64,284.81, 88,630.59 and 49,920.27

Step by Step Solution

1. Step 1: Write the proportion equation
   64,284.81 : 88,630.59 = 49,920.27 : x
2. Step 2: Convert to fraction form
   64,284.81/88,630.59 = 49,920.27/x
3. Step 3: Cross multiply
   64,284.81x = 88,630.59 × 49,920.27
4. Step 4: Simplify right side
   64,284.81x = 4,424,462,983.06
5. Step 5: Solve for x
   x = 4,424,462,983.06/64,284.81
6. Step 6: Final answer
   x = 68,825.95