Finding the Fourth Proportional to 84,506.83, 116,621 and 48,690.79

Step by Step Solution

1. Step 1: Write the proportion equation
   84,506.83 : 116,621 = 48,690.79 : x
2. Step 2: Convert to fraction form
   84,506.83/116,621 = 48,690.79/x
3. Step 3: Cross multiply
   84,506.83x = 116,621 × 48,690.79
4. Step 4: Simplify right side
   84,506.83x = 5,678,368,620.59
5. Step 5: Solve for x
   x = 5,678,368,620.59/84,506.83
6. Step 6: Final answer
   x = 67,194.20