Finding the Fourth Proportional to 23,119,097.50, 31,904,356.98 and 12,806,488.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,119,097.50 : 31,904,356.98 = 12,806,488.54 : x
2. Step 2: Convert to fraction form
   23,119,097.50/31,904,356.98 = 12,806,488.54/x
3. Step 3: Cross multiply
   23,119,097.50x = 31,904,356.98 × 12,806,488.54
4. Step 4: Simplify right side
   23,119,097.50x = 408,582,782,040,439
5. Step 5: Solve for x
   x = 408,582,782,040,439/23,119,097.50
6. Step 6: Final answer
   x = 17,672,955.53