Finding the Fourth Proportional to 49,316.01, 73,831.46 and 28,991.49

Step by Step Solution

1. Step 1: Write the proportion equation
   49,316.01 : 73,831.46 = 28,991.49 : x
2. Step 2: Convert to fraction form
   49,316.01/73,831.46 = 28,991.49/x
3. Step 3: Cross multiply
   49,316.01x = 73,831.46 × 28,991.49
4. Step 4: Simplify right side
   49,316.01x = 2,140,483,889.32
5. Step 5: Solve for x
   x = 2,140,483,889.32/49,316.01
6. Step 6: Final answer
   x = 43,403.43