Finding the Fourth Proportional to 22,108.84, 30,510.18 and 13,156.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,108.84 : 30,510.18 = 13,156.36 : x
2. Step 2: Convert to fraction form
   22,108.84/30,510.18 = 13,156.36/x
3. Step 3: Cross multiply
   22,108.84x = 30,510.18 × 13,156.36
4. Step 4: Simplify right side
   22,108.84x = 401,402,911.74
5. Step 5: Solve for x
   x = 401,402,911.74/22,108.84
6. Step 6: Final answer
   x = 18,155.77