Finding the Fourth Proportional to 243,152.56, 335,606.52 and 142,582.96

Step by Step Solution

1. Step 1: Write the proportion equation
   243,152.56 : 335,606.52 = 142,582.96 : x
2. Step 2: Convert to fraction form
   243,152.56/335,606.52 = 142,582.96/x
3. Step 3: Cross multiply
   243,152.56x = 335,606.52 × 142,582.96
4. Step 4: Simplify right side
   243,152.56x = 47,851,771,016.90
5. Step 5: Solve for x
   x = 47,851,771,016.90/243,152.56
6. Step 6: Final answer
   x = 196,797.32