Finding the Fourth Proportional to 276,105.34, 380,803.17 and 185,433.94

Step by Step Solution

1. Step 1: Write the proportion equation
   276,105.34 : 380,803.17 = 185,433.94 : x
2. Step 2: Convert to fraction form
   276,105.34/380,803.17 = 185,433.94/x
3. Step 3: Cross multiply
   276,105.34x = 380,803.17 × 185,433.94
4. Step 4: Simplify right side
   276,105.34x = 70,613,832,177.59
5. Step 5: Solve for x
   x = 70,613,832,177.59/276,105.34
6. Step 6: Final answer
   x = 255,749.61