Finding the Fourth Proportional to 101,016.54, 139,396.53 and 55,692.18

Step by Step Solution

1. Step 1: Write the proportion equation
   101,016.54 : 139,396.53 = 55,692.18 : x
2. Step 2: Convert to fraction form
   101,016.54/139,396.53 = 55,692.18/x
3. Step 3: Cross multiply
   101,016.54x = 139,396.53 × 55,692.18
4. Step 4: Simplify right side
   101,016.54x = 7,763,296,640.14
5. Step 5: Solve for x
   x = 7,763,296,640.14/101,016.54
6. Step 6: Final answer
   x = 76,851.74