Finding the Fourth Proportional to 83,920.47, 115,806.83 and 48,085.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,920.47 : 115,806.83 = 48,085.56 : x
2. Step 2: Convert to fraction form
   83,920.47/115,806.83 = 48,085.56/x
3. Step 3: Cross multiply
   83,920.47x = 115,806.83 × 48,085.56
4. Step 4: Simplify right side
   83,920.47x = 5,568,636,031.95
5. Step 5: Solve for x
   x = 5,568,636,031.95/83,920.47
6. Step 6: Final answer
   x = 66,356.11