Finding the Fourth Proportional to 23,773.69, 32,808.10 and 13,018.39

Step by Step Solution

1. Step 1: Write the proportion equation
   23,773.69 : 32,808.10 = 13,018.39 : x
2. Step 2: Convert to fraction form
   23,773.69/32,808.10 = 13,018.39/x
3. Step 3: Cross multiply
   23,773.69x = 32,808.10 × 13,018.39
4. Step 4: Simplify right side
   23,773.69x = 427,108,575.87
5. Step 5: Solve for x
   x = 427,108,575.87/23,773.69
6. Step 6: Final answer
   x = 17,965.60