Finding the Fourth Proportional to 8,453,288.18, 12,680,459.89 and 2,388,485.68

Step by Step Solution

1. Step 1: Write the proportion equation
   8,453,288.18 : 12,680,459.89 = 2,388,485.68 : x
2. Step 2: Convert to fraction form
   8,453,288.18/12,680,459.89 = 2,388,485.68/x
3. Step 3: Cross multiply
   8,453,288.18x = 12,680,459.89 × 2,388,485.68
4. Step 4: Simplify right side
   8,453,288.18x = 30,287,096,825,407.01
5. Step 5: Solve for x
   x = 30,287,096,825,407.01/8,453,288.18
6. Step 6: Final answer
   x = 3,582,877.59