Finding the Fourth Proportional to 64,681.29, 89,230.68 and 46,747.89

Step by Step Solution

1. Step 1: Write the proportion equation
   64,681.29 : 89,230.68 = 46,747.89 : x
2. Step 2: Convert to fraction form
   64,681.29/89,230.68 = 46,747.89/x
3. Step 3: Cross multiply
   64,681.29x = 89,230.68 × 46,747.89
4. Step 4: Simplify right side
   64,681.29x = 4,171,346,013.27
5. Step 5: Solve for x
   x = 4,171,346,013.27/64,681.29
6. Step 6: Final answer
   x = 64,490.77