Finding the Fourth Proportional to 82,980.69, 124,432.14 and 30,353.37

Step by Step Solution

1. Step 1: Write the proportion equation
   82,980.69 : 124,432.14 = 30,353.37 : x
2. Step 2: Convert to fraction form
   82,980.69/124,432.14 = 30,353.37/x
3. Step 3: Cross multiply
   82,980.69x = 124,432.14 × 30,353.37
4. Step 4: Simplify right side
   82,980.69x = 3,776,934,785.31
5. Step 5: Solve for x
   x = 3,776,934,785.31/82,980.69
6. Step 6: Final answer
   x = 45,515.83