Finding the Fourth Proportional to 82,218.70, 123,291.60 and 37,822.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,218.70 : 123,291.60 = 37,822.60 : x
2. Step 2: Convert to fraction form
   82,218.70/123,291.60 = 37,822.60/x
3. Step 3: Cross multiply
   82,218.70x = 123,291.60 × 37,822.60
4. Step 4: Simplify right side
   82,218.70x = 4,663,208,870.16
5. Step 5: Solve for x
   x = 4,663,208,870.16/82,218.70
6. Step 6: Final answer
   x = 56,717.13