Finding the Fourth Proportional to 205,196.56, 308,078.34 and 141,861.04

Step by Step Solution

1. Step 1: Write the proportion equation
   205,196.56 : 308,078.34 = 141,861.04 : x
2. Step 2: Convert to fraction form
   205,196.56/308,078.34 = 141,861.04/x
3. Step 3: Cross multiply
   205,196.56x = 308,078.34 × 141,861.04
4. Step 4: Simplify right side
   205,196.56x = 43,704,313,713.87
5. Step 5: Solve for x
   x = 43,704,313,713.87/205,196.56
6. Step 6: Final answer
   x = 212,987.56