Finding the Fourth Proportional to 22,100.97, 30,499.99 and 13,607.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,100.97 : 30,499.99 = 13,607.99 : x
2. Step 2: Convert to fraction form
   22,100.97/30,499.99 = 13,607.99/x
3. Step 3: Cross multiply
   22,100.97x = 30,499.99 × 13,607.99
4. Step 4: Simplify right side
   22,100.97x = 415,043,571.83
5. Step 5: Solve for x
   x = 415,043,571.83/22,100.97
6. Step 6: Final answer
   x = 18,779.43