Finding the Fourth Proportional to 83,223.90, 124,914.15 and 43,809.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,223.90 : 124,914.15 = 43,809.30 : x
2. Step 2: Convert to fraction form
   83,223.90/124,914.15 = 43,809.30/x
3. Step 3: Cross multiply
   83,223.90x = 124,914.15 × 43,809.30
4. Step 4: Simplify right side
   83,223.90x = 5,472,401,471.60
5. Step 5: Solve for x
   x = 5,472,401,471.60/83,223.90
6. Step 6: Final answer
   x = 65,755.17