Finding the Fourth Proportional to 50,090.34, 69,109.02 and 28,866.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,090.34 : 69,109.02 = 28,866.72 : x
2. Step 2: Convert to fraction form
   50,090.34/69,109.02 = 28,866.72/x
3. Step 3: Cross multiply
   50,090.34x = 69,109.02 × 28,866.72
4. Step 4: Simplify right side
   50,090.34x = 1,994,950,729.81
5. Step 5: Solve for x
   x = 1,994,950,729.81/50,090.34
6. Step 6: Final answer
   x = 39,827.06