Finding the Fourth Proportional to 425,108.82, 586,631.25 and 243,690.69

Step by Step Solution

1. Step 1: Write the proportion equation
   425,108.82 : 586,631.25 = 243,690.69 : x
2. Step 2: Convert to fraction form
   425,108.82/586,631.25 = 243,690.69/x
3. Step 3: Cross multiply
   425,108.82x = 586,631.25 × 243,690.69
4. Step 4: Simplify right side
   425,108.82x = 142,956,574,088.06
5. Step 5: Solve for x
   x = 142,956,574,088.06/425,108.82
6. Step 6: Final answer
   x = 336,282.31