Finding the Fourth Proportional to 407,483.49, 611,086.82 and 141,181.83

Step by Step Solution

1. Step 1: Write the proportion equation
   407,483.49 : 611,086.82 = 141,181.83 : x
2. Step 2: Convert to fraction form
   407,483.49/611,086.82 = 141,181.83/x
3. Step 3: Cross multiply
   407,483.49x = 611,086.82 × 141,181.83
4. Step 4: Simplify right side
   407,483.49x = 86,274,354,830.57
5. Step 5: Solve for x
   x = 86,274,354,830.57/407,483.49
6. Step 6: Final answer
   x = 211,724.79