Finding the Fourth Proportional to 383,679.30, 575,518.05 and 103,196.82

Step by Step Solution

1. Step 1: Write the proportion equation
   383,679.30 : 575,518.05 = 103,196.82 : x
2. Step 2: Convert to fraction form
   383,679.30/575,518.05 = 103,196.82/x
3. Step 3: Cross multiply
   383,679.30x = 575,518.05 × 103,196.82
4. Step 4: Simplify right side
   383,679.30x = 59,391,632,612.60
5. Step 5: Solve for x
   x = 59,391,632,612.60/383,679.30
6. Step 6: Final answer
   x = 154,794.99