Finding the Fourth Proportional to 12,193,980.44, 18,290,978.55 and 3,096,760.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,193,980.44 : 18,290,978.55 = 3,096,760.28 : x
2. Step 2: Convert to fraction form
   12,193,980.44/18,290,978.55 = 3,096,760.28/x
3. Step 3: Cross multiply
   12,193,980.44x = 18,290,978.55 × 3,096,760.28
4. Step 4: Simplify right side
   12,193,980.44x = 56,642,775,764,517.10
5. Step 5: Solve for x
   x = 56,642,775,764,517.10/12,193,980.44
6. Step 6: Final answer
   x = 4,645,142.42