Finding the Fourth Proportional to 17,635.06, 26,438.72 and 12,071.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,635.06 : 26,438.72 = 12,071.54 : x
2. Step 2: Convert to fraction form
   17,635.06/26,438.72 = 12,071.54/x
3. Step 3: Cross multiply
   17,635.06x = 26,438.72 × 12,071.54
4. Step 4: Simplify right side
   17,635.06x = 319,156,162.30
5. Step 5: Solve for x
   x = 319,156,162.30/17,635.06
6. Step 6: Final answer
   x = 18,097.82