Finding the Fourth Proportional to 49,204.61, 67,911.64 and 30,816.25

Step by Step Solution

1. Step 1: Write the proportion equation
   49,204.61 : 67,911.64 = 30,816.25 : x
2. Step 2: Convert to fraction form
   49,204.61/67,911.64 = 30,816.25/x
3. Step 3: Cross multiply
   49,204.61x = 67,911.64 × 30,816.25
4. Step 4: Simplify right side
   49,204.61x = 2,092,782,076.15
5. Step 5: Solve for x
   x = 2,092,782,076.15/49,204.61
6. Step 6: Final answer
   x = 42,532.24