Finding the Fourth Proportional to 380,793.30, 571,196.02 and 144,072.42

Step by Step Solution

1. Step 1: Write the proportion equation
   380,793.30 : 571,196.02 = 144,072.42 : x
2. Step 2: Convert to fraction form
   380,793.30/571,196.02 = 144,072.42/x
3. Step 3: Cross multiply
   380,793.30x = 571,196.02 × 144,072.42
4. Step 4: Simplify right side
   380,793.30x = 82,293,592,895.77
5. Step 5: Solve for x
   x = 82,293,592,895.77/380,793.30
6. Step 6: Final answer
   x = 216,110.93