Finding the Fourth Proportional to 101,087.93, 139,500.93 and 55,768.73

Step by Step Solution

1. Step 1: Write the proportion equation
   101,087.93 : 139,500.93 = 55,768.73 : x
2. Step 2: Convert to fraction form
   101,087.93/139,500.93 = 55,768.73/x
3. Step 3: Cross multiply
   101,087.93x = 139,500.93 × 55,768.73
4. Step 4: Simplify right side
   101,087.93x = 7,779,789,002.41
5. Step 5: Solve for x
   x = 7,779,789,002.41/101,087.93
6. Step 6: Final answer
   x = 76,960.62