Finding the Fourth Proportional to 403,185.06, 604,913.67 and 178,514.82

Step by Step Solution

1. Step 1: Write the proportion equation
   403,185.06 : 604,913.67 = 178,514.82 : x
2. Step 2: Convert to fraction form
   403,185.06/604,913.67 = 178,514.82/x
3. Step 3: Cross multiply
   403,185.06x = 604,913.67 × 178,514.82
4. Step 4: Simplify right side
   403,185.06x = 107,986,054,915.59
5. Step 5: Solve for x
   x = 107,986,054,915.59/403,185.06
6. Step 6: Final answer
   x = 267,832.48