Finding the Fourth Proportional to 22,802,062.72, 31,467,355.92 and 13,012,312

Step by Step Solution

1. Step 1: Write the proportion equation
   22,802,062.72 : 31,467,355.92 = 13,012,312 : x
2. Step 2: Convert to fraction form
   22,802,062.72/31,467,355.92 = 13,012,312/x
3. Step 3: Cross multiply
   22,802,062.72x = 31,467,355.92 × 13,012,312
4. Step 4: Simplify right side
   22,802,062.72x = 409,463,053,046,087.06
5. Step 5: Solve for x
   x = 409,463,053,046,087.06/22,802,062.72
6. Step 6: Final answer
   x = 17,957,281.24