Finding the Fourth Proportional to 12,191,238.50, 18,286,821.27 and 3,093,318.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,191,238.50 : 18,286,821.27 = 3,093,318.50 : x
2. Step 2: Convert to fraction form
   12,191,238.50/18,286,821.27 = 3,093,318.50/x
3. Step 3: Cross multiply
   12,191,238.50x = 18,286,821.27 × 3,093,318.50
4. Step 4: Simplify right side
   12,191,238.50x = 56,566,962,540,684.49
5. Step 5: Solve for x
   x = 56,566,962,540,684.49/12,191,238.50
6. Step 6: Final answer
   x = 4,639,968.49