Finding the Fourth Proportional to 40,312.15, 55,630.71 and 22,408.83

Step by Step Solution

1. Step 1: Write the proportion equation
   40,312.15 : 55,630.71 = 22,408.83 : x
2. Step 2: Convert to fraction form
   40,312.15/55,630.71 = 22,408.83/x
3. Step 3: Cross multiply
   40,312.15x = 55,630.71 × 22,408.83
4. Step 4: Simplify right side
   40,312.15x = 1,246,619,123.17
5. Step 5: Solve for x
   x = 1,246,619,123.17/40,312.15
6. Step 6: Final answer
   x = 30,924.15