Finding the Fourth Proportional to 8,139,158.16, 12,210,871.32 and 2,459,533.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,139,158.16 : 12,210,871.32 = 2,459,533.20 : x
2. Step 2: Convert to fraction form
   8,139,158.16/12,210,871.32 = 2,459,533.20/x
3. Step 3: Cross multiply
   8,139,158.16x = 12,210,871.32 × 2,459,533.20
4. Step 4: Simplify right side
   8,139,158.16x = 30,033,043,412,467.83
5. Step 5: Solve for x
   x = 30,033,043,412,467.83/8,139,158.16
6. Step 6: Final answer
   x = 3,689,944.69