Finding the Fourth Proportional to 37,990.10, 52,418.22 and 22,066.31

Step by Step Solution

1. Step 1: Write the proportion equation
   37,990.10 : 52,418.22 = 22,066.31 : x
2. Step 2: Convert to fraction form
   37,990.10/52,418.22 = 22,066.31/x
3. Step 3: Cross multiply
   37,990.10x = 52,418.22 × 22,066.31
4. Step 4: Simplify right side
   37,990.10x = 1,156,676,692.17
5. Step 5: Solve for x
   x = 1,156,676,692.17/37,990.10
6. Step 6: Final answer
   x = 30,446.79