Finding the Fourth Proportional to 404,820.42, 607,229.35 and 109,332.42

Step by Step Solution

1. Step 1: Write the proportion equation
   404,820.42 : 607,229.35 = 109,332.42 : x
2. Step 2: Convert to fraction form
   404,820.42/607,229.35 = 109,332.42/x
3. Step 3: Cross multiply
   404,820.42x = 607,229.35 × 109,332.42
4. Step 4: Simplify right side
   404,820.42x = 66,389,854,330.53
5. Step 5: Solve for x
   x = 66,389,854,330.53/404,820.42
6. Step 6: Final answer
   x = 163,998.28