Finding the Fourth Proportional to 283,150.46, 390,747.52 and 155,826.06

Step by Step Solution

1. Step 1: Write the proportion equation
   283,150.46 : 390,747.52 = 155,826.06 : x
2. Step 2: Convert to fraction form
   283,150.46/390,747.52 = 155,826.06/x
3. Step 3: Cross multiply
   283,150.46x = 390,747.52 × 155,826.06
4. Step 4: Simplify right side
   283,150.46x = 60,888,646,496.37
5. Step 5: Solve for x
   x = 60,888,646,496.37/283,150.46
6. Step 6: Final answer
   x = 215,039.90