Finding the Fourth Proportional to 83,018.79, 124,564.77 and 43,566.39

Step by Step Solution

1. Step 1: Write the proportion equation
   83,018.79 : 124,564.77 = 43,566.39 : x
2. Step 2: Convert to fraction form
   83,018.79/124,564.77 = 43,566.39/x
3. Step 3: Cross multiply
   83,018.79x = 124,564.77 × 43,566.39
4. Step 4: Simplify right side
   83,018.79x = 5,426,837,350.08
5. Step 5: Solve for x
   x = 5,426,837,350.08/83,018.79
6. Step 6: Final answer
   x = 65,368.78