Finding the Fourth Proportional to 49,155.78, 67,840.84 and 31,032.84

Step by Step Solution

1. Step 1: Write the proportion equation
   49,155.78 : 67,840.84 = 31,032.84 : x
2. Step 2: Convert to fraction form
   49,155.78/67,840.84 = 31,032.84/x
3. Step 3: Cross multiply
   49,155.78x = 67,840.84 × 31,032.84
4. Step 4: Simplify right side
   49,155.78x = 2,105,293,933.19
5. Step 5: Solve for x
   x = 2,105,293,933.19/49,155.78
6. Step 6: Final answer
   x = 42,829.02