Finding the Fourth Proportional to 245,066.04, 338,184.72 and 137,630.88

Step by Step Solution

1. Step 1: Write the proportion equation
   245,066.04 : 338,184.72 = 137,630.88 : x
2. Step 2: Convert to fraction form
   245,066.04/338,184.72 = 137,630.88/x
3. Step 3: Cross multiply
   245,066.04x = 338,184.72 × 137,630.88
4. Step 4: Simplify right side
   245,066.04x = 46,544,660,616.15
5. Step 5: Solve for x
   x = 46,544,660,616.15/245,066.04
6. Step 6: Final answer
   x = 189,927.01