Finding the Fourth Proportional to 49,833.31, 68,776.17 and 28,612.12

Step by Step Solution

1. Step 1: Write the proportion equation
   49,833.31 : 68,776.17 = 28,612.12 : x
2. Step 2: Convert to fraction form
   49,833.31/68,776.17 = 28,612.12/x
3. Step 3: Cross multiply
   49,833.31x = 68,776.17 × 28,612.12
4. Step 4: Simplify right side
   49,833.31x = 1,967,831,685.30
5. Step 5: Solve for x
   x = 1,967,831,685.30/49,833.31
6. Step 6: Final answer
   x = 39,488.28