Finding the Fourth Proportional to 12,326,921.30, 18,492,903.89 and 4,238,846.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,326,921.30 : 18,492,903.89 = 4,238,846.53 : x
2. Step 2: Convert to fraction form
   12,326,921.30/18,492,903.89 = 4,238,846.53/x
3. Step 3: Cross multiply
   12,326,921.30x = 18,492,903.89 × 4,238,846.53
4. Step 4: Simplify right side
   12,326,921.30x = 78,388,581,448,114.84
5. Step 5: Solve for x
   x = 78,388,581,448,114.84/12,326,921.30
6. Step 6: Final answer
   x = 6,359,137.01