Finding the Fourth Proportional to 40,693.56, 56,156.58 and 22,788.42

Step by Step Solution

1. Step 1: Write the proportion equation
   40,693.56 : 56,156.58 = 22,788.42 : x
2. Step 2: Convert to fraction form
   40,693.56/56,156.58 = 22,788.42/x
3. Step 3: Cross multiply
   40,693.56x = 56,156.58 × 22,788.42
4. Step 4: Simplify right side
   40,693.56x = 1,279,719,730.80
5. Step 5: Solve for x
   x = 1,279,719,730.80/40,693.56
6. Step 6: Final answer
   x = 31,447.72