Finding the Fourth Proportional to 49,880.74, 74,456.17 and 43,976.02

Step by Step Solution

1. Step 1: Write the proportion equation
   49,880.74 : 74,456.17 = 43,976.02 : x
2. Step 2: Convert to fraction form
   49,880.74/74,456.17 = 43,976.02/x
3. Step 3: Cross multiply
   49,880.74x = 74,456.17 × 43,976.02
4. Step 4: Simplify right side
   49,880.74x = 3,274,286,021.04
5. Step 5: Solve for x
   x = 3,274,286,021.04/49,880.74
6. Step 6: Final answer
   x = 65,642.29