Finding the Fourth Proportional to 425,196.96, 586,798.56 and 234,210.40

Step by Step Solution

1. Step 1: Write the proportion equation
   425,196.96 : 586,798.56 = 234,210.40 : x
2. Step 2: Convert to fraction form
   425,196.96/586,798.56 = 234,210.40/x
3. Step 3: Cross multiply
   425,196.96x = 586,798.56 × 234,210.40
4. Step 4: Simplify right side
   425,196.96x = 137,434,325,457.02
5. Step 5: Solve for x
   x = 137,434,325,457.02/425,196.96
6. Step 6: Final answer
   x = 323,225.09