Finding the Fourth Proportional to 101,013.07, 139,399.03 and 55,692.83

Step by Step Solution

1. Step 1: Write the proportion equation
   101,013.07 : 139,399.03 = 55,692.83 : x
2. Step 2: Convert to fraction form
   101,013.07/139,399.03 = 55,692.83/x
3. Step 3: Cross multiply
   101,013.07x = 139,399.03 × 55,692.83
4. Step 4: Simplify right side
   101,013.07x = 7,763,525,504.50
5. Step 5: Solve for x
   x = 7,763,525,504.50/101,013.07
6. Step 6: Final answer
   x = 76,856.64