Finding the Fourth Proportional to 101,654.56, 140,270.16 and 56,942.56

Step by Step Solution

1. Step 1: Write the proportion equation
   101,654.56 : 140,270.16 = 56,942.56 : x
2. Step 2: Convert to fraction form
   101,654.56/140,270.16 = 56,942.56/x
3. Step 3: Cross multiply
   101,654.56x = 140,270.16 × 56,942.56
4. Step 4: Simplify right side
   101,654.56x = 7,987,342,002.01
5. Step 5: Solve for x
   x = 7,987,342,002.01/101,654.56
6. Step 6: Final answer
   x = 78,573.38