Finding the Fourth Proportional to 64,825.11, 89,336.52 and 46,889.69

Step by Step Solution

1. Step 1: Write the proportion equation
   64,825.11 : 89,336.52 = 46,889.69 : x
2. Step 2: Convert to fraction form
   64,825.11/89,336.52 = 46,889.69/x
3. Step 3: Cross multiply
   64,825.11x = 89,336.52 × 46,889.69
4. Step 4: Simplify right side
   64,825.11x = 4,188,961,281.80
5. Step 5: Solve for x
   x = 4,188,961,281.80/64,825.11
6. Step 6: Final answer
   x = 64,619.42