Finding the Fourth Proportional to 101,111.88, 139,535.14 and 55,791.53

Step by Step Solution

1. Step 1: Write the proportion equation
   101,111.88 : 139,535.14 = 55,791.53 : x
2. Step 2: Convert to fraction form
   101,111.88/139,535.14 = 55,791.53/x
3. Step 3: Cross multiply
   101,111.88x = 139,535.14 × 55,791.53
4. Step 4: Simplify right side
   101,111.88x = 7,784,879,524.96
5. Step 5: Solve for x
   x = 7,784,879,524.96/101,111.88
6. Step 6: Final answer
   x = 76,992.73