Finding the Fourth Proportional to 31,678.03, 43,720.59 and 18,066.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,678.03 : 43,720.59 = 18,066.10 : x
2. Step 2: Convert to fraction form
   31,678.03/43,720.59 = 18,066.10/x
3. Step 3: Cross multiply
   31,678.03x = 43,720.59 × 18,066.10
4. Step 4: Simplify right side
   31,678.03x = 789,860,551.00
5. Step 5: Solve for x
   x = 789,860,551.00/31,678.03
6. Step 6: Final answer
   x = 24,934.02