Finding the Fourth Proportional to 83,428.09, 125,086.52 and 43,348.58

Step by Step Solution

1. Step 1: Write the proportion equation
   83,428.09 : 125,086.52 = 43,348.58 : x
2. Step 2: Convert to fraction form
   83,428.09/125,086.52 = 43,348.58/x
3. Step 3: Cross multiply
   83,428.09x = 125,086.52 × 43,348.58
4. Step 4: Simplify right side
   83,428.09x = 5,422,323,019.14
5. Step 5: Solve for x
   x = 5,422,323,019.14/83,428.09
6. Step 6: Final answer
   x = 64,993.97