Finding the Fourth Proportional to 367,436.69, 551,012.88 and 142,767.55

Step by Step Solution

1. Step 1: Write the proportion equation
   367,436.69 : 551,012.88 = 142,767.55 : x
2. Step 2: Convert to fraction form
   367,436.69/551,012.88 = 142,767.55/x
3. Step 3: Cross multiply
   367,436.69x = 551,012.88 × 142,767.55
4. Step 4: Simplify right side
   367,436.69x = 78,666,759,445.71
5. Step 5: Solve for x
   x = 78,666,759,445.71/367,436.69
6. Step 6: Final answer
   x = 214,096.09