Finding the Fourth Proportional to 17,013.51, 23,462.91 and 10,638.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,013.51 : 23,462.91 = 10,638.05 : x
2. Step 2: Convert to fraction form
   17,013.51/23,462.91 = 10,638.05/x
3. Step 3: Cross multiply
   17,013.51x = 23,462.91 × 10,638.05
4. Step 4: Simplify right side
   17,013.51x = 249,599,492.41
5. Step 5: Solve for x
   x = 249,599,492.41/17,013.51
6. Step 6: Final answer
   x = 14,670.66