Finding the Fourth Proportional to 64,981.52, 89,674.56 and 35,173.52

Step by Step Solution

1. Step 1: Write the proportion equation
   64,981.52 : 89,674.56 = 35,173.52 : x
2. Step 2: Convert to fraction form
   64,981.52/89,674.56 = 35,173.52/x
3. Step 3: Cross multiply
   64,981.52x = 89,674.56 × 35,173.52
4. Step 4: Simplify right side
   64,981.52x = 3,154,169,929.65
5. Step 5: Solve for x
   x = 3,154,169,929.65/64,981.52
6. Step 6: Final answer
   x = 48,539.49