Finding the Fourth Proportional to 46,979.91, 64,835.25 and 31,036.41

Step by Step Solution

1. Step 1: Write the proportion equation
   46,979.91 : 64,835.25 = 31,036.41 : x
2. Step 2: Convert to fraction form
   46,979.91/64,835.25 = 31,036.41/x
3. Step 3: Cross multiply
   46,979.91x = 64,835.25 × 31,036.41
4. Step 4: Simplify right side
   46,979.91x = 2,012,253,401.45
5. Step 5: Solve for x
   x = 2,012,253,401.45/46,979.91
6. Step 6: Final answer
   x = 42,832.21