Finding the Fourth Proportional to 384,100.56, 576,161.46 and 103,617

Step by Step Solution

1. Step 1: Write the proportion equation
   384,100.56 : 576,161.46 = 103,617 : x
2. Step 2: Convert to fraction form
   384,100.56/576,161.46 = 103,617/x
3. Step 3: Cross multiply
   384,100.56x = 576,161.46 × 103,617
4. Step 4: Simplify right side
   384,100.56x = 59,700,122,000.82
5. Step 5: Solve for x
   x = 59,700,122,000.82/384,100.56
6. Step 6: Final answer
   x = 155,428.36