Finding the Fourth Proportional to 367,468.71, 550,988.45 and 142,566.33

Step by Step Solution

1. Step 1: Write the proportion equation
   367,468.71 : 550,988.45 = 142,566.33 : x
2. Step 2: Convert to fraction form
   367,468.71/550,988.45 = 142,566.33/x
3. Step 3: Cross multiply
   367,468.71x = 550,988.45 × 142,566.33
4. Step 4: Simplify right side
   367,468.71x = 78,552,401,188.89
5. Step 5: Solve for x
   x = 78,552,401,188.89/367,468.71
6. Step 6: Final answer
   x = 213,766.23