Finding the Fourth Proportional to 101,241.48, 139,712.71 and 55,922.59

Step by Step Solution

1. Step 1: Write the proportion equation
   101,241.48 : 139,712.71 = 55,922.59 : x
2. Step 2: Convert to fraction form
   101,241.48/139,712.71 = 55,922.59/x
3. Step 3: Cross multiply
   101,241.48x = 139,712.71 × 55,922.59
4. Step 4: Simplify right side
   101,241.48x = 7,813,096,599.12
5. Step 5: Solve for x
   x = 7,813,096,599.12/101,241.48
6. Step 6: Final answer
   x = 77,172.88