Finding the Fourth Proportional to 17,187.84, 23,720.32 and 9,634.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,187.84 : 23,720.32 = 9,634.72 : x
2. Step 2: Convert to fraction form
   17,187.84/23,720.32 = 9,634.72/x
3. Step 3: Cross multiply
   17,187.84x = 23,720.32 × 9,634.72
4. Step 4: Simplify right side
   17,187.84x = 228,538,641.51
5. Step 5: Solve for x
   x = 228,538,641.51/17,187.84
6. Step 6: Final answer
   x = 13,296.53