Finding the Fourth Proportional to 12,191,229.50, 18,286,807.79 and 3,093,309.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,191,229.50 : 18,286,807.79 = 3,093,309.50 : x
2. Step 2: Convert to fraction form
   12,191,229.50/18,286,807.79 = 3,093,309.50/x
3. Step 3: Cross multiply
   12,191,229.50x = 18,286,807.79 × 3,093,309.50
4. Step 4: Simplify right side
   12,191,229.50x = 56,566,756,154,580.42
5. Step 5: Solve for x
   x = 56,566,756,154,580.42/12,191,229.50
6. Step 6: Final answer
   x = 4,639,954.99