Finding the Fourth Proportional to 17,763.40, 26,639.32 and 5,913.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,763.40 : 26,639.32 = 5,913.99 : x
2. Step 2: Convert to fraction form
   17,763.40/26,639.32 = 5,913.99/x
3. Step 3: Cross multiply
   17,763.40x = 26,639.32 × 5,913.99
4. Step 4: Simplify right side
   17,763.40x = 157,544,538.89
5. Step 5: Solve for x
   x = 157,544,538.89/17,763.40
6. Step 6: Final answer
   x = 8,869.06