Finding the Fourth Proportional to 17,376.01, 23,959.88 and 12,908.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,376.01 : 23,959.88 = 12,908.05 : x
2. Step 2: Convert to fraction form
   17,376.01/23,959.88 = 12,908.05/x
3. Step 3: Cross multiply
   17,376.01x = 23,959.88 × 12,908.05
4. Step 4: Simplify right side
   17,376.01x = 309,275,264.49
5. Step 5: Solve for x
   x = 309,275,264.49/17,376.01
6. Step 6: Final answer
   x = 17,798.98