Finding the Fourth Proportional to 123,742.94, 185,644.59 and 39,503.12

Step by Step Solution

1. Step 1: Write the proportion equation
   123,742.94 : 185,644.59 = 39,503.12 : x
2. Step 2: Convert to fraction form
   123,742.94/185,644.59 = 39,503.12/x
3. Step 3: Cross multiply
   123,742.94x = 185,644.59 × 39,503.12
4. Step 4: Simplify right side
   123,742.94x = 7,333,540,516.12
5. Step 5: Solve for x
   x = 7,333,540,516.12/123,742.94
6. Step 6: Final answer
   x = 59,264.31