Finding the Fourth Proportional to 17,388.11, 23,994.15 and 9,834.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,388.11 : 23,994.15 = 9,834.05 : x
2. Step 2: Convert to fraction form
   17,388.11/23,994.15 = 9,834.05/x
3. Step 3: Cross multiply
   17,388.11x = 23,994.15 × 9,834.05
4. Step 4: Simplify right side
   17,388.11x = 235,959,670.81
5. Step 5: Solve for x
   x = 235,959,670.81/17,388.11
6. Step 6: Final answer
   x = 13,570.17