Finding the Fourth Proportional to 398,613.18, 597,817.89 and 118,064.82

Step by Step Solution

1. Step 1: Write the proportion equation
   398,613.18 : 597,817.89 = 118,064.82 : x
2. Step 2: Convert to fraction form
   398,613.18/597,817.89 = 118,064.82/x
3. Step 3: Cross multiply
   398,613.18x = 597,817.89 × 118,064.82
4. Step 4: Simplify right side
   398,613.18x = 70,581,261,575.63
5. Step 5: Solve for x
   x = 70,581,261,575.63/398,613.18
6. Step 6: Final answer
   x = 177,067.05