Finding the Fourth Proportional to 8,404,269.70, 12,606,404.55 and 8,341,284.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404,269.70 : 12,606,404.55 = 8,341,284.10 : x
2. Step 2: Convert to fraction form
   8,404,269.70/12,606,404.55 = 8,341,284.10/x
3. Step 3: Cross multiply
   8,404,269.70x = 12,606,404.55 × 8,341,284.10
4. Step 4: Simplify right side
   8,404,269.70x = 105,153,601,831,082.66
5. Step 5: Solve for x
   x = 105,153,601,831,082.66/8,404,269.70
6. Step 6: Final answer
   x = 12,511,926.15