Finding the Fourth Proportional to 22,457.84, 30,992.00 and 12,386.61

Step by Step Solution

1. Step 1: Write the proportion equation
   22,457.84 : 30,992.00 = 12,386.61 : x
2. Step 2: Convert to fraction form
   22,457.84/30,992.00 = 12,386.61/x
3. Step 3: Cross multiply
   22,457.84x = 30,992.00 × 12,386.61
4. Step 4: Simplify right side
   22,457.84x = 383,885,755.19
5. Step 5: Solve for x
   x = 383,885,755.19/22,457.84
6. Step 6: Final answer
   x = 17,093.62