Finding the Fourth Proportional to 22,381.77, 30,901.98 and 13,887.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,381.77 : 30,901.98 = 13,887.33 : x
2. Step 2: Convert to fraction form
   22,381.77/30,901.98 = 13,887.33/x
3. Step 3: Cross multiply
   22,381.77x = 30,901.98 × 13,887.33
4. Step 4: Simplify right side
   22,381.77x = 429,145,993.91
5. Step 5: Solve for x
   x = 429,145,993.91/22,381.77
6. Step 6: Final answer
   x = 19,173.91