Finding the Fourth Proportional to 55,693.48, 83,389.56 and 40,789.48

Step by Step Solution

1. Step 1: Write the proportion equation
   55,693.48 : 83,389.56 = 40,789.48 : x
2. Step 2: Convert to fraction form
   55,693.48/83,389.56 = 40,789.48/x
3. Step 3: Cross multiply
   55,693.48x = 83,389.56 × 40,789.48
4. Step 4: Simplify right side
   55,693.48x = 3,401,416,789.83
5. Step 5: Solve for x
   x = 3,401,416,789.83/55,693.48
6. Step 6: Final answer
   x = 61,073.88