Finding the Fourth Proportional to 23,780.39, 32,817.83 and 13,573.08

Step by Step Solution

1. Step 1: Write the proportion equation
   23,780.39 : 32,817.83 = 13,573.08 : x
2. Step 2: Convert to fraction form
   23,780.39/32,817.83 = 13,573.08/x
3. Step 3: Cross multiply
   23,780.39x = 32,817.83 × 13,573.08
4. Step 4: Simplify right side
   23,780.39x = 445,439,065.95
5. Step 5: Solve for x
   x = 445,439,065.95/23,780.39
6. Step 6: Final answer
   x = 18,731.36