Finding the Fourth Proportional to 8,185,616.10, 12,254,804.55 and 7,240,832.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,185,616.10 : 12,254,804.55 = 7,240,832.10 : x
2. Step 2: Convert to fraction form
   8,185,616.10/12,254,804.55 = 7,240,832.10/x
3. Step 3: Cross multiply
   8,185,616.10x = 12,254,804.55 × 7,240,832.10
4. Step 4: Simplify right side
   8,185,616.10x = 88,734,982,164,866.06
5. Step 5: Solve for x
   x = 88,734,982,164,866.06/8,185,616.10
6. Step 6: Final answer
   x = 10,840,354.72