Finding the Fourth Proportional to 245,723.04, 339,108.71 and 138,300.03

Step by Step Solution

1. Step 1: Write the proportion equation
   245,723.04 : 339,108.71 = 138,300.03 : x
2. Step 2: Convert to fraction form
   245,723.04/339,108.71 = 138,300.03/x
3. Step 3: Cross multiply
   245,723.04x = 339,108.71 × 138,300.03
4. Step 4: Simplify right side
   245,723.04x = 46,898,744,766.26
5. Step 5: Solve for x
   x = 46,898,744,766.26/245,723.04
6. Step 6: Final answer
   x = 190,860.18