Finding the Fourth Proportional to 64,969.61, 89,658.05 and 35,161.61

Step by Step Solution

1. Step 1: Write the proportion equation
   64,969.61 : 89,658.05 = 35,161.61 : x
2. Step 2: Convert to fraction form
   64,969.61/89,658.05 = 35,161.61/x
3. Step 3: Cross multiply
   64,969.61x = 89,658.05 × 35,161.61
4. Step 4: Simplify right side
   64,969.61x = 3,152,520,763.36
5. Step 5: Solve for x
   x = 3,152,520,763.36/64,969.61
6. Step 6: Final answer
   x = 48,523.01