Finding the Fourth Proportional to 49,659, 68,545.38 and 31,802.12

Step by Step Solution

1. Step 1: Write the proportion equation
   49,659 : 68,545.38 = 31,802.12 : x
2. Step 2: Convert to fraction form
   49,659/68,545.38 = 31,802.12/x
3. Step 3: Cross multiply
   49,659x = 68,545.38 × 31,802.12
4. Step 4: Simplify right side
   49,659x = 2,179,888,400.21
5. Step 5: Solve for x
   x = 2,179,888,400.21/49,659
6. Step 6: Final answer
   x = 43,897.15