Finding the Fourth Proportional to 101,173.01, 139,616.78 and 55,852.38

Step by Step Solution

1. Step 1: Write the proportion equation
   101,173.01 : 139,616.78 = 55,852.38 : x
2. Step 2: Convert to fraction form
   101,173.01/139,616.78 = 55,852.38/x
3. Step 3: Cross multiply
   101,173.01x = 139,616.78 × 55,852.38
4. Step 4: Simplify right side
   101,173.01x = 7,797,929,171.67
5. Step 5: Solve for x
   x = 7,797,929,171.67/101,173.01
6. Step 6: Final answer
   x = 77,075.20