Finding the Fourth Proportional to 8,429,281.20, 12,636,171.18 and 3,036,613.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,429,281.20 : 12,636,171.18 = 3,036,613.05 : x
2. Step 2: Convert to fraction form
   8,429,281.20/12,636,171.18 = 3,036,613.05/x
3. Step 3: Cross multiply
   8,429,281.20x = 12,636,171.18 × 3,036,613.05
4. Step 4: Simplify right side
   8,429,281.20x = 38,371,162,307,221.90
5. Step 5: Solve for x
   x = 38,371,162,307,221.90/8,429,281.20
6. Step 6: Final answer
   x = 4,552,127.45