Finding the Fourth Proportional to 101,073,406.81, 139,481,301.61 and 54,663,660.72

Step by Step Solution

1. Step 1: Write the proportion equation
   101,073,406.81 : 139,481,301.61 = 54,663,660.72 : x
2. Step 2: Convert to fraction form
   101,073,406.81/139,481,301.61 = 54,663,660.72/x
3. Step 3: Cross multiply
   101,073,406.81x = 139,481,301.61 × 54,663,660.72
4. Step 4: Simplify right side
   101,073,406.81x = 7,624,558,547,993,030
5. Step 5: Solve for x
   x = 7,624,558,547,993,030/101,073,406.81
6. Step 6: Final answer
   x = 75,435,851.91