Finding the Fourth Proportional to 12,812,298.24, 19,214,492.69 and 3,715,066.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,812,298.24 : 19,214,492.69 = 3,715,066.39 : x
2. Step 2: Convert to fraction form
   12,812,298.24/19,214,492.69 = 3,715,066.39/x
3. Step 3: Cross multiply
   12,812,298.24x = 19,214,492.69 × 3,715,066.39
4. Step 4: Simplify right side
   12,812,298.24x = 71,383,115,993,519.70
5. Step 5: Solve for x
   x = 71,383,115,993,519.70/12,812,298.24
6. Step 6: Final answer
   x = 5,571,452.89