Finding the Fourth Proportional to 64,822.77, 89,458.88 and 37,967.31

Step by Step Solution

1. Step 1: Write the proportion equation
   64,822.77 : 89,458.88 = 37,967.31 : x
2. Step 2: Convert to fraction form
   64,822.77/89,458.88 = 37,967.31/x
3. Step 3: Cross multiply
   64,822.77x = 89,458.88 × 37,967.31
4. Step 4: Simplify right side
   64,822.77x = 3,396,512,839.38
5. Step 5: Solve for x
   x = 3,396,512,839.38/64,822.77
6. Step 6: Final answer
   x = 52,396.91