Finding the Fourth Proportional to 49,360.24, 68,111.04 and 31,447.90

Step by Step Solution

1. Step 1: Write the proportion equation
   49,360.24 : 68,111.04 = 31,447.90 : x
2. Step 2: Convert to fraction form
   49,360.24/68,111.04 = 31,447.90/x
3. Step 3: Cross multiply
   49,360.24x = 68,111.04 × 31,447.90
4. Step 4: Simplify right side
   49,360.24x = 2,141,949,174.82
5. Step 5: Solve for x
   x = 2,141,949,174.82/49,360.24
6. Step 6: Final answer
   x = 43,394.22