Finding the Fourth Proportional to 101,307.72, 139,797.57 and 55,984.89

Step by Step Solution

1. Step 1: Write the proportion equation
   101,307.72 : 139,797.57 = 55,984.89 : x
2. Step 2: Convert to fraction form
   101,307.72/139,797.57 = 55,984.89/x
3. Step 3: Cross multiply
   101,307.72x = 139,797.57 × 55,984.89
4. Step 4: Simplify right side
   101,307.72x = 7,826,551,578.72
5. Step 5: Solve for x
   x = 7,826,551,578.72/101,307.72
6. Step 6: Final answer
   x = 77,255.23