Finding the Fourth Proportional to 82,379.30, 113,664.33 and 48,386.03

Step by Step Solution

1. Step 1: Write the proportion equation
   82,379.30 : 113,664.33 = 48,386.03 : x
2. Step 2: Convert to fraction form
   82,379.30/113,664.33 = 48,386.03/x
3. Step 3: Cross multiply
   82,379.30x = 113,664.33 × 48,386.03
4. Step 4: Simplify right side
   82,379.30x = 5,499,765,112.99
5. Step 5: Solve for x
   x = 5,499,765,112.99/82,379.30
6. Step 6: Final answer
   x = 66,761.50