Finding the Fourth Proportional to 50,090.84, 69,109.71 and 28,867.22

Step by Step Solution

1. Step 1: Write the proportion equation
   50,090.84 : 69,109.71 = 28,867.22 : x
2. Step 2: Convert to fraction form
   50,090.84/69,109.71 = 28,867.22/x
3. Step 3: Cross multiply
   50,090.84x = 69,109.71 × 28,867.22
4. Step 4: Simplify right side
   50,090.84x = 1,995,005,202.71
5. Step 5: Solve for x
   x = 1,995,005,202.71/50,090.84
6. Step 6: Final answer
   x = 39,827.75