Finding the Fourth Proportional to 50,055.12, 69,090.84 and 28,849.32

Step by Step Solution

1. Step 1: Write the proportion equation
   50,055.12 : 69,090.84 = 28,849.32 : x
2. Step 2: Convert to fraction form
   50,055.12/69,090.84 = 28,849.32/x
3. Step 3: Cross multiply
   50,055.12x = 69,090.84 × 28,849.32
4. Step 4: Simplify right side
   50,055.12x = 1,993,223,752.23
5. Step 5: Solve for x
   x = 1,993,223,752.23/50,055.12
6. Step 6: Final answer
   x = 39,820.58