Finding the Fourth Proportional to 12,096,055.89, 18,153,119.91 and 8,196,266.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,096,055.89 : 18,153,119.91 = 8,196,266.21 : x
2. Step 2: Convert to fraction form
   12,096,055.89/18,153,119.91 = 8,196,266.21/x
3. Step 3: Cross multiply
   12,096,055.89x = 18,153,119.91 × 8,196,266.21
4. Step 4: Simplify right side
   12,096,055.89x = 148,787,803,324,411.25
5. Step 5: Solve for x
   x = 148,787,803,324,411.25/12,096,055.89
6. Step 6: Final answer
   x = 12,300,522.14