Finding the Fourth Proportional to 101,935.57, 140,672.83 and 55,997.15

Step by Step Solution

1. Step 1: Write the proportion equation
   101,935.57 : 140,672.83 = 55,997.15 : x
2. Step 2: Convert to fraction form
   101,935.57/140,672.83 = 55,997.15/x
3. Step 3: Cross multiply
   101,935.57x = 140,672.83 × 55,997.15
4. Step 4: Simplify right side
   101,935.57x = 7,877,277,062.22
5. Step 5: Solve for x
   x = 7,877,277,062.22/101,935.57
6. Step 6: Final answer
   x = 77,277.02