Finding the Fourth Proportional to 12,540,942.09, 18,810,499.70 and 5,626,562.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,540,942.09 : 18,810,499.70 = 5,626,562.54 : x
2. Step 2: Convert to fraction form
   12,540,942.09/18,810,499.70 = 5,626,562.54/x
3. Step 3: Cross multiply
   12,540,942.09x = 18,810,499.70 × 5,626,562.54
4. Step 4: Simplify right side
   12,540,942.09x = 105,838,452,890,715.16
5. Step 5: Solve for x
   x = 105,838,452,890,715.16/12,540,942.09
6. Step 6: Final answer
   x = 8,439,433.99