Finding the Fourth Proportional to 46,617.72, 64,356.28 and 31,589.78

Step by Step Solution

1. Step 1: Write the proportion equation
   46,617.72 : 64,356.28 = 31,589.78 : x
2. Step 2: Convert to fraction form
   46,617.72/64,356.28 = 31,589.78/x
3. Step 3: Cross multiply
   46,617.72x = 64,356.28 × 31,589.78
4. Step 4: Simplify right side
   46,617.72x = 2,033,000,726.82
5. Step 5: Solve for x
   x = 2,033,000,726.82/46,617.72
6. Step 6: Final answer
   x = 43,610.04