Finding the Fourth Proportional to 83,442.02, 125,067.65 and 30,109.59

Step by Step Solution

1. Step 1: Write the proportion equation
   83,442.02 : 125,067.65 = 30,109.59 : x
2. Step 2: Convert to fraction form
   83,442.02/125,067.65 = 30,109.59/x
3. Step 3: Cross multiply
   83,442.02x = 125,067.65 × 30,109.59
4. Step 4: Simplify right side
   83,442.02x = 3,765,735,513.22
5. Step 5: Solve for x
   x = 3,765,735,513.22/83,442.02
6. Step 6: Final answer
   x = 45,129.97