Finding the Fourth Proportional to 283,856.34, 425,302.52 and 171,300.04

Step by Step Solution

1. Step 1: Write the proportion equation
   283,856.34 : 425,302.52 = 171,300.04 : x
2. Step 2: Convert to fraction form
   283,856.34/425,302.52 = 171,300.04/x
3. Step 3: Cross multiply
   283,856.34x = 425,302.52 × 171,300.04
4. Step 4: Simplify right side
   283,856.34x = 72,854,338,688.10
5. Step 5: Solve for x
   x = 72,854,338,688.10/283,856.34
6. Step 6: Final answer
   x = 256,659.19