Finding the Fourth Proportional to 50,203.95, 69,259.56 and 31,078.64

Step by Step Solution

1. Step 1: Write the proportion equation
   50,203.95 : 69,259.56 = 31,078.64 : x
2. Step 2: Convert to fraction form
   50,203.95/69,259.56 = 31,078.64/x
3. Step 3: Cross multiply
   50,203.95x = 69,259.56 × 31,078.64
4. Step 4: Simplify right side
   50,203.95x = 2,152,492,598.82
5. Step 5: Solve for x
   x = 2,152,492,598.82/50,203.95
6. Step 6: Final answer
   x = 42,874.96