Finding the Fourth Proportional to 101,073,408.80, 139,481,304.38 and 54,663,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,073,408.80 : 139,481,304.38 = 54,663,662.72 : x
2. Step 2: Convert to fraction form
   101,073,408.80/139,481,304.38 = 54,663,662.72/x
3. Step 3: Cross multiply
   101,073,408.80x = 139,481,304.38 × 54,663,662.72
4. Step 4: Simplify right side
   101,073,408.80x = 7,624,558,978,373,978
5. Step 5: Solve for x
   x = 7,624,558,978,373,978/101,073,408.80
6. Step 6: Final answer
   x = 75,435,854.68