Finding the Fourth Proportional to 49,856.31, 74,608.94 and 31,145.16

Step by Step Solution

1. Step 1: Write the proportion equation
   49,856.31 : 74,608.94 = 31,145.16 : x
2. Step 2: Convert to fraction form
   49,856.31/74,608.94 = 31,145.16/x
3. Step 3: Cross multiply
   49,856.31x = 74,608.94 × 31,145.16
4. Step 4: Simplify right side
   49,856.31x = 2,323,707,218.00
5. Step 5: Solve for x
   x = 2,323,707,218.00/49,856.31
6. Step 6: Final answer
   x = 46,608.09