Finding the Fourth Proportional to 17,864.71, 26,801.52 and 5,384.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,864.71 : 26,801.52 = 5,384.47 : x
2. Step 2: Convert to fraction form
   17,864.71/26,801.52 = 5,384.47/x
3. Step 3: Cross multiply
   17,864.71x = 26,801.52 × 5,384.47
4. Step 4: Simplify right side
   17,864.71x = 144,311,980.39
5. Step 5: Solve for x
   x = 144,311,980.39/17,864.71
6. Step 6: Final answer
   x = 8,078.05