Finding the Fourth Proportional to 9,517,073.46, 13,133,578.05 and 5,166,162.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,517,073.46 : 13,133,578.05 = 5,166,162.72 : x
2. Step 2: Convert to fraction form
   9,517,073.46/13,133,578.05 = 5,166,162.72/x
3. Step 3: Cross multiply
   9,517,073.46x = 13,133,578.05 × 5,166,162.72
4. Step 4: Simplify right side
   9,517,073.46x = 67,850,201,302,120.30
5. Step 5: Solve for x
   x = 67,850,201,302,120.30/9,517,073.46
6. Step 6: Final answer
   x = 7,129,313.61