Finding the Fourth Proportional to 64,967.35, 89,654.94 and 35,159.35

Step by Step Solution

1. Step 1: Write the proportion equation
   64,967.35 : 89,654.94 = 35,159.35 : x
2. Step 2: Convert to fraction form
   64,967.35/89,654.94 = 35,159.35/x
3. Step 3: Cross multiply
   64,967.35x = 89,654.94 × 35,159.35
4. Step 4: Simplify right side
   64,967.35x = 3,152,208,878.52
5. Step 5: Solve for x
   x = 3,152,208,878.52/64,967.35
6. Step 6: Final answer
   x = 48,519.90