Finding the Fourth Proportional to 50,112.90, 69,156.27 and 28,892.16

Step by Step Solution

1. Step 1: Write the proportion equation
   50,112.90 : 69,156.27 = 28,892.16 : x
2. Step 2: Convert to fraction form
   50,112.90/69,156.27 = 28,892.16/x
3. Step 3: Cross multiply
   50,112.90x = 69,156.27 × 28,892.16
4. Step 4: Simplify right side
   50,112.90x = 1,998,074,017.84
5. Step 5: Solve for x
   x = 1,998,074,017.84/50,112.90
6. Step 6: Final answer
   x = 39,871.45