Finding the Fourth Proportional to 46,385.32, 69,479.38 and 31,401.56

Step by Step Solution

1. Step 1: Write the proportion equation
   46,385.32 : 69,479.38 = 31,401.56 : x
2. Step 2: Convert to fraction form
   46,385.32/69,479.38 = 31,401.56/x
3. Step 3: Cross multiply
   46,385.32x = 69,479.38 × 31,401.56
4. Step 4: Simplify right side
   46,385.32x = 2,181,760,919.83
5. Step 5: Solve for x
   x = 2,181,760,919.83/46,385.32
6. Step 6: Final answer
   x = 47,035.59