Finding the Fourth Proportional to 12,193,978.70, 18,290,975.94 and 3,096,758.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,193,978.70 : 18,290,975.94 = 3,096,758.54 : x
2. Step 2: Convert to fraction form
   12,193,978.70/18,290,975.94 = 3,096,758.54/x
3. Step 3: Cross multiply
   12,193,978.70x = 18,290,975.94 × 3,096,758.54
4. Step 4: Simplify right side
   12,193,978.70x = 56,642,735,947,129.53
5. Step 5: Solve for x
   x = 56,642,735,947,129.53/12,193,978.70
6. Step 6: Final answer
   x = 4,645,139.81