Finding the Fourth Proportional to 64,991.52, 89,688.33 and 35,183.52

Step by Step Solution

1. Step 1: Write the proportion equation
   64,991.52 : 89,688.33 = 35,183.52 : x
2. Step 2: Convert to fraction form
   64,991.52/89,688.33 = 35,183.52/x
3. Step 3: Cross multiply
   64,991.52x = 89,688.33 × 35,183.52
4. Step 4: Simplify right side
   64,991.52x = 3,155,551,152.32
5. Step 5: Solve for x
   x = 3,155,551,152.32/64,991.52
6. Step 6: Final answer
   x = 48,553.28