Finding the Fourth Proportional to 245,476.52, 338,754.35 and 138,046.52

Step by Step Solution

1. Step 1: Write the proportion equation
   245,476.52 : 338,754.35 = 138,046.52 : x
2. Step 2: Convert to fraction form
   245,476.52/338,754.35 = 138,046.52/x
3. Step 3: Cross multiply
   245,476.52x = 338,754.35 × 138,046.52
4. Step 4: Simplify right side
   245,476.52x = 46,763,857,458.59
5. Step 5: Solve for x
   x = 46,763,857,458.59/245,476.52
6. Step 6: Final answer
   x = 190,502.37