Finding the Fourth Proportional to 12,326,221.02, 18,479,310.21 and 5,143,105.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,326,221.02 : 18,479,310.21 = 5,143,105.38 : x
2. Step 2: Convert to fraction form
   12,326,221.02/18,479,310.21 = 5,143,105.38/x
3. Step 3: Cross multiply
   12,326,221.02x = 18,479,310.21 × 5,143,105.38
4. Step 4: Simplify right side
   12,326,221.02x = 95,041,039,759,739.94
5. Step 5: Solve for x
   x = 95,041,039,759,739.94/12,326,221.02
6. Step 6: Final answer
   x = 7,710,476.68