Finding the Fourth Proportional to 404,767.50, 607,045.38 and 120,381.42

Step by Step Solution

1. Step 1: Write the proportion equation
   404,767.50 : 607,045.38 = 120,381.42 : x
2. Step 2: Convert to fraction form
   404,767.50/607,045.38 = 120,381.42/x
3. Step 3: Cross multiply
   404,767.50x = 607,045.38 × 120,381.42
4. Step 4: Simplify right side
   404,767.50x = 73,076,984,848.84
5. Step 5: Solve for x
   x = 73,076,984,848.84/404,767.50
6. Step 6: Final answer
   x = 180,540.64