Finding the Fourth Proportional to 12,940.10, 19,414.25 and 4,619.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,940.10 : 19,414.25 = 4,619.94 : x
2. Step 2: Convert to fraction form
   12,940.10/19,414.25 = 4,619.94/x
3. Step 3: Cross multiply
   12,940.10x = 19,414.25 × 4,619.94
4. Step 4: Simplify right side
   12,940.10x = 89,692,670.15
5. Step 5: Solve for x
   x = 89,692,670.15/12,940.10
6. Step 6: Final answer
   x = 6,931.37