Finding the Fourth Proportional to 277,068.72, 382,354.24 and 149,744

Step by Step Solution

1. Step 1: Write the proportion equation
   277,068.72 : 382,354.24 = 149,744 : x
2. Step 2: Convert to fraction form
   277,068.72/382,354.24 = 149,744/x
3. Step 3: Cross multiply
   277,068.72x = 382,354.24 × 149,744
4. Step 4: Simplify right side
   277,068.72x = 57,255,253,314.56
5. Step 5: Solve for x
   x = 57,255,253,314.56/277,068.72
6. Step 6: Final answer
   x = 206,646.40