Finding the Fourth Proportional to 12,096,420.10, 18,144,630.15 and 8,317,284.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,096,420.10 : 18,144,630.15 = 8,317,284.10 : x
2. Step 2: Convert to fraction form
   12,096,420.10/18,144,630.15 = 8,317,284.10/x
3. Step 3: Cross multiply
   12,096,420.10x = 18,144,630.15 × 8,317,284.10
4. Step 4: Simplify right side
   12,096,420.10x = 150,914,043,846,975.59
5. Step 5: Solve for x
   x = 150,914,043,846,975.59/12,096,420.10
6. Step 6: Final answer
   x = 12,475,926.15