Finding the Fourth Proportional to 23,654.06, 32,642.18 and 12,899.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,654.06 : 32,642.18 = 12,899.10 : x
2. Step 2: Convert to fraction form
   23,654.06/32,642.18 = 12,899.10/x
3. Step 3: Cross multiply
   23,654.06x = 32,642.18 × 12,899.10
4. Step 4: Simplify right side
   23,654.06x = 421,054,744.04
5. Step 5: Solve for x
   x = 421,054,744.04/23,654.06
6. Step 6: Final answer
   x = 17,800.53