Finding the Fourth Proportional to 228,078.66, 342,132.06 and 87,837.42

Step by Step Solution

1. Step 1: Write the proportion equation
   228,078.66 : 342,132.06 = 87,837.42 : x
2. Step 2: Convert to fraction form
   228,078.66/342,132.06 = 87,837.42/x
3. Step 3: Cross multiply
   228,078.66x = 342,132.06 × 87,837.42
4. Step 4: Simplify right side
   228,078.66x = 30,051,997,449.69
5. Step 5: Solve for x
   x = 30,051,997,449.69/228,078.66
6. Step 6: Final answer
   x = 131,761.55