Finding the Fourth Proportional to 101,654, 140,282.56 and 56,942

Step by Step Solution

1. Step 1: Write the proportion equation
   101,654 : 140,282.56 = 56,942 : x
2. Step 2: Convert to fraction form
   101,654/140,282.56 = 56,942/x
3. Step 3: Cross multiply
   101,654x = 140,282.56 × 56,942
4. Step 4: Simplify right side
   101,654x = 7,987,969,531.52
5. Step 5: Solve for x
   x = 7,987,969,531.52/101,654
6. Step 6: Final answer
   x = 78,579.98