Finding the Fourth Proportional to 276,890.77, 382,109.43 and 149,566.42

Step by Step Solution

1. Step 1: Write the proportion equation
   276,890.77 : 382,109.43 = 149,566.42 : x
2. Step 2: Convert to fraction form
   276,890.77/382,109.43 = 149,566.42/x
3. Step 3: Cross multiply
   276,890.77x = 382,109.43 × 149,566.42
4. Step 4: Simplify right side
   276,890.77x = 57,150,739,493.34
5. Step 5: Solve for x
   x = 57,150,739,493.34/276,890.77
6. Step 6: Final answer
   x = 206,401.75