Finding the Fourth Proportional to 9,091,949.72, 12,547,183.37 and 5,171,605.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091,949.72 : 12,547,183.37 = 5,171,605.35 : x
2. Step 2: Convert to fraction form
   9,091,949.72/12,547,183.37 = 5,171,605.35/x
3. Step 3: Cross multiply
   9,091,949.72x = 12,547,183.37 × 5,171,605.35
4. Step 4: Simplify right side
   9,091,949.72x = 64,889,080,684,310.46
5. Step 5: Solve for x
   x = 64,889,080,684,310.46/9,091,949.72
6. Step 6: Final answer
   x = 7,136,981.91