Finding the Fourth Proportional to 64,622.98, 89,178.15 and 35,942.55

Step by Step Solution

1. Step 1: Write the proportion equation
   64,622.98 : 89,178.15 = 35,942.55 : x
2. Step 2: Convert to fraction form
   64,622.98/89,178.15 = 35,942.55/x
3. Step 3: Cross multiply
   64,622.98x = 89,178.15 × 35,942.55
4. Step 4: Simplify right side
   64,622.98x = 3,205,290,115.28
5. Step 5: Solve for x
   x = 3,205,290,115.28/64,622.98
6. Step 6: Final answer
   x = 49,599.85