Finding the Fourth Proportional to 50,389.54, 69,501.81 and 42,783.40

Step by Step Solution

1. Step 1: Write the proportion equation
   50,389.54 : 69,501.81 = 42,783.40 : x
2. Step 2: Convert to fraction form
   50,389.54/69,501.81 = 42,783.40/x
3. Step 3: Cross multiply
   50,389.54x = 69,501.81 × 42,783.40
4. Step 4: Simplify right side
   50,389.54x = 2,973,523,985.27
5. Step 5: Solve for x
   x = 2,973,523,985.27/50,389.54
6. Step 6: Final answer
   x = 59,010.74