Finding the Fourth Proportional to 277,166.31, 382,490.42 and 149,842.82

Step by Step Solution

1. Step 1: Write the proportion equation
   277,166.31 : 382,490.42 = 149,842.82 : x
2. Step 2: Convert to fraction form
   277,166.31/382,490.42 = 149,842.82/x
3. Step 3: Cross multiply
   277,166.31x = 382,490.42 × 149,842.82
4. Step 4: Simplify right side
   277,166.31x = 57,313,443,155.78
5. Step 5: Solve for x
   x = 57,313,443,155.78/277,166.31
6. Step 6: Final answer
   x = 206,783.58