Finding the Fourth Proportional to 101,068.32, 139,474.94 and 55,747.53

Step by Step Solution

1. Step 1: Write the proportion equation
   101,068.32 : 139,474.94 = 55,747.53 : x
2. Step 2: Convert to fraction form
   101,068.32/139,474.94 = 55,747.53/x
3. Step 3: Cross multiply
   101,068.32x = 139,474.94 × 55,747.53
4. Step 4: Simplify right side
   101,068.32x = 7,775,383,401.90
5. Step 5: Solve for x
   x = 7,775,383,401.90/101,068.32
6. Step 6: Final answer
   x = 76,931.95