Finding the Fourth Proportional to 83,016.64, 124,561.42 and 43,564.53

Step by Step Solution

1. Step 1: Write the proportion equation
   83,016.64 : 124,561.42 = 43,564.53 : x
2. Step 2: Convert to fraction form
   83,016.64/124,561.42 = 43,564.53/x
3. Step 3: Cross multiply
   83,016.64x = 124,561.42 × 43,564.53
4. Step 4: Simplify right side
   83,016.64x = 5,426,459,609.52
5. Step 5: Solve for x
   x = 5,426,459,609.52/83,016.64
6. Step 6: Final answer
   x = 65,365.93