Finding the Fourth Proportional to 123,600.69, 185,210.21 and 83,462.36

Step by Step Solution

1. Step 1: Write the proportion equation
   123,600.69 : 185,210.21 = 83,462.36 : x
2. Step 2: Convert to fraction form
   123,600.69/185,210.21 = 83,462.36/x
3. Step 3: Cross multiply
   123,600.69x = 185,210.21 × 83,462.36
4. Step 4: Simplify right side
   123,600.69x = 15,458,080,805.38
5. Step 5: Solve for x
   x = 15,458,080,805.38/123,600.69
6. Step 6: Final answer
   x = 125,064.69