Finding the Fourth Proportional to 50,090.01, 69,130.35 and 28,585.05

Step by Step Solution

1. Step 1: Write the proportion equation
   50,090.01 : 69,130.35 = 28,585.05 : x
2. Step 2: Convert to fraction form
   50,090.01/69,130.35 = 28,585.05/x
3. Step 3: Cross multiply
   50,090.01x = 69,130.35 × 28,585.05
4. Step 4: Simplify right side
   50,090.01x = 1,976,094,511.27
5. Step 5: Solve for x
   x = 1,976,094,511.27/50,090.01
6. Step 6: Final answer
   x = 39,450.87