Finding the Fourth Proportional to 64,969.39, 89,657.76 and 35,161.39

Step by Step Solution

1. Step 1: Write the proportion equation
   64,969.39 : 89,657.76 = 35,161.39 : x
2. Step 2: Convert to fraction form
   64,969.39/89,657.76 = 35,161.39/x
3. Step 3: Cross multiply
   64,969.39x = 89,657.76 × 35,161.39
4. Step 4: Simplify right side
   64,969.39x = 3,152,491,465.89
5. Step 5: Solve for x
   x = 3,152,491,465.89/64,969.39
6. Step 6: Final answer
   x = 48,522.72