Finding the Fourth Proportional to 46,622.11, 64,287.59 and 31,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,622.11 : 64,287.59 = 31,488.50 : x
2. Step 2: Convert to fraction form
   46,622.11/64,287.59 = 31,488.50/x
3. Step 3: Cross multiply
   46,622.11x = 64,287.59 × 31,488.50
4. Step 4: Simplify right side
   46,622.11x = 2,024,319,456.28
5. Step 5: Solve for x
   x = 2,024,319,456.28/46,622.11
6. Step 6: Final answer
   x = 43,419.74