Finding the Fourth Proportional to 368,518.34, 552,427.59 and 144,022.79

Step by Step Solution

1. Step 1: Write the proportion equation
   368,518.34 : 552,427.59 = 144,022.79 : x
2. Step 2: Convert to fraction form
   368,518.34/552,427.59 = 144,022.79/x
3. Step 3: Cross multiply
   368,518.34x = 552,427.59 × 144,022.79
4. Step 4: Simplify right side
   368,518.34x = 79,562,162,784.78
5. Step 5: Solve for x
   x = 79,562,162,784.78/368,518.34
6. Step 6: Final answer
   x = 215,897.43