Finding the Fourth Proportional to 46,593.50, 69,863.31 and 31,820.31

Step by Step Solution

1. Step 1: Write the proportion equation
   46,593.50 : 69,863.31 = 31,820.31 : x
2. Step 2: Convert to fraction form
   46,593.50/69,863.31 = 31,820.31/x
3. Step 3: Cross multiply
   46,593.50x = 69,863.31 × 31,820.31
4. Step 4: Simplify right side
   46,593.50x = 2,223,072,181.83
5. Step 5: Solve for x
   x = 2,223,072,181.83/46,593.50
6. Step 6: Final answer
   x = 47,712.07