Finding the Fourth Proportional to 8,086,719.10, 12,096,901.05 and 7,290,456.70

Step by Step Solution

1. Step 1: Write the proportion equation
   8,086,719.10 : 12,096,901.05 = 7,290,456.70 : x
2. Step 2: Convert to fraction form
   8,086,719.10/12,096,901.05 = 7,290,456.70/x
3. Step 3: Cross multiply
   8,086,719.10x = 12,096,901.05 × 7,290,456.70
4. Step 4: Simplify right side
   8,086,719.10x = 88,191,933,309,209.55
5. Step 5: Solve for x
   x = 88,191,933,309,209.55/8,086,719.10
6. Step 6: Final answer
   x = 10,905,774.30