Finding the Fourth Proportional to 12,826,369.82, 19,241,326.20 and 4,309,142.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,826,369.82 : 19,241,326.20 = 4,309,142.06 : x
2. Step 2: Convert to fraction form
   12,826,369.82/19,241,326.20 = 4,309,142.06/x
3. Step 3: Cross multiply
   12,826,369.82x = 19,241,326.20 × 4,309,142.06
4. Step 4: Simplify right side
   12,826,369.82x = 82,913,608,018,599.95
5. Step 5: Solve for x
   x = 82,913,608,018,599.95/12,826,369.82
6. Step 6: Final answer
   x = 6,464,308.23