Finding the Fourth Proportional to 46,417.37, 64,032.68 and 31,290.89

Step by Step Solution

1. Step 1: Write the proportion equation
   46,417.37 : 64,032.68 = 31,290.89 : x
2. Step 2: Convert to fraction form
   46,417.37/64,032.68 = 31,290.89/x
3. Step 3: Cross multiply
   46,417.37x = 64,032.68 × 31,290.89
4. Step 4: Simplify right side
   46,417.37x = 2,003,639,389.83
5. Step 5: Solve for x
   x = 2,003,639,389.83/46,417.37
6. Step 6: Final answer
   x = 43,165.72