Finding the Fourth Proportional to 22,802,087.28, 31,467,389.58 and 13,012,336.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,802,087.28 : 31,467,389.58 = 13,012,336.56 : x
2. Step 2: Convert to fraction form
   22,802,087.28/31,467,389.58 = 13,012,336.56/x
3. Step 3: Cross multiply
   22,802,087.28x = 31,467,389.58 × 13,012,336.56
4. Step 4: Simplify right side
   22,802,087.28x = 409,464,263,879,597.06
5. Step 5: Solve for x
   x = 409,464,263,879,597.06/22,802,087.28
6. Step 6: Final answer
   x = 17,957,315.00