Finding the Fourth Proportional to 8,321,314.10, 12,481,971.15 and 7,201,570.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,321,314.10 : 12,481,971.15 = 7,201,570.10 : x
2. Step 2: Convert to fraction form
   8,321,314.10/12,481,971.15 = 7,201,570.10/x
3. Step 3: Cross multiply
   8,321,314.10x = 12,481,971.15 × 7,201,570.10
4. Step 4: Simplify right side
   8,321,314.10x = 89,889,790,222,902.61
5. Step 5: Solve for x
   x = 89,889,790,222,902.61/8,321,314.10
6. Step 6: Final answer
   x = 10,802,355.15