Finding the Fourth Proportional to 492,936.03, 739,404.18 and 138,002.33

Step by Step Solution

1. Step 1: Write the proportion equation
   492,936.03 : 739,404.18 = 138,002.33 : x
2. Step 2: Convert to fraction form
   492,936.03/739,404.18 = 138,002.33/x
3. Step 3: Cross multiply
   492,936.03x = 739,404.18 × 138,002.33
4. Step 4: Simplify right side
   492,936.03x = 102,039,501,500.25
5. Step 5: Solve for x
   x = 102,039,501,500.25/492,936.03
6. Step 6: Final answer
   x = 207,003.54