Finding the Fourth Proportional to 82,987.69, 124,442.61 and 30,360.37

Step by Step Solution

1. Step 1: Write the proportion equation
   82,987.69 : 124,442.61 = 30,360.37 : x
2. Step 2: Convert to fraction form
   82,987.69/124,442.61 = 30,360.37/x
3. Step 3: Cross multiply
   82,987.69x = 124,442.61 × 30,360.37
4. Step 4: Simplify right side
   82,987.69x = 3,778,123,683.37
5. Step 5: Solve for x
   x = 3,778,123,683.37/82,987.69
6. Step 6: Final answer
   x = 45,526.31