Finding the Fourth Proportional to 82,172.49, 123,207.47 and 37,742.22

Step by Step Solution

1. Step 1: Write the proportion equation
   82,172.49 : 123,207.47 = 37,742.22 : x
2. Step 2: Convert to fraction form
   82,172.49/123,207.47 = 37,742.22/x
3. Step 3: Cross multiply
   82,172.49x = 123,207.47 × 37,742.22
4. Step 4: Simplify right side
   82,172.49x = 4,650,123,391.21
5. Step 5: Solve for x
   x = 4,650,123,391.21/82,172.49
6. Step 6: Final answer
   x = 56,589.79