Finding the Fourth Proportional to 64,685.29, 89,236.20 and 46,751.89

Step by Step Solution

1. Step 1: Write the proportion equation
   64,685.29 : 89,236.20 = 46,751.89 : x
2. Step 2: Convert to fraction form
   64,685.29/89,236.20 = 46,751.89/x
3. Step 3: Cross multiply
   64,685.29x = 89,236.20 × 46,751.89
4. Step 4: Simplify right side
   64,685.29x = 4,171,961,006.42
5. Step 5: Solve for x
   x = 4,171,961,006.42/64,685.29
6. Step 6: Final answer
   x = 64,496.29