Finding the Fourth Proportional to 83,617.80, 115,373.61 and 47,802.03

Step by Step Solution

1. Step 1: Write the proportion equation
   83,617.80 : 115,373.61 = 47,802.03 : x
2. Step 2: Convert to fraction form
   83,617.80/115,373.61 = 47,802.03/x
3. Step 3: Cross multiply
   83,617.80x = 115,373.61 × 47,802.03
4. Step 4: Simplify right side
   83,617.80x = 5,515,092,766.43
5. Step 5: Solve for x
   x = 5,515,092,766.43/83,617.80
6. Step 6: Final answer
   x = 65,955.97