Finding the Fourth Proportional to 12,461,315.27, 18,691,822.50 and 3,238,470.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,461,315.27 : 18,691,822.50 = 3,238,470.80 : x
2. Step 2: Convert to fraction form
   12,461,315.27/18,691,822.50 = 3,238,470.80/x
3. Step 3: Cross multiply
   12,461,315.27x = 18,691,822.50 × 3,238,470.80
4. Step 4: Simplify right side
   12,461,315.27x = 60,532,921,365,033
5. Step 5: Solve for x
   x = 60,532,921,365,033/12,461,315.27
6. Step 6: Final answer
   x = 4,857,667.11