Finding the Fourth Proportional to 64,947.81, 89,629.37 and 35,876.04

Step by Step Solution

1. Step 1: Write the proportion equation
   64,947.81 : 89,629.37 = 35,876.04 : x
2. Step 2: Convert to fraction form
   64,947.81/89,629.37 = 35,876.04/x
3. Step 3: Cross multiply
   64,947.81x = 89,629.37 × 35,876.04
4. Step 4: Simplify right side
   64,947.81x = 3,215,546,863.29
5. Step 5: Solve for x
   x = 3,215,546,863.29/64,947.81
6. Step 6: Final answer
   x = 49,509.70