Finding the Fourth Proportional to 101,676.78, 140,323.86 and 56,369.52

Step by Step Solution

1. Step 1: Write the proportion equation
   101,676.78 : 140,323.86 = 56,369.52 : x
2. Step 2: Convert to fraction form
   101,676.78/140,323.86 = 56,369.52/x
3. Step 3: Cross multiply
   101,676.78x = 140,323.86 × 56,369.52
4. Step 4: Simplify right side
   101,676.78x = 7,909,988,632.75
5. Step 5: Solve for x
   x = 7,909,988,632.75/101,676.78
6. Step 6: Final answer
   x = 77,795.43