Finding the Fourth Proportional to 17,868.84, 26,796.06 and 5,385

Step by Step Solution

1. Step 1: Write the proportion equation
   17,868.84 : 26,796.06 = 5,385 : x
2. Step 2: Convert to fraction form
   17,868.84/26,796.06 = 5,385/x
3. Step 3: Cross multiply
   17,868.84x = 26,796.06 × 5,385
4. Step 4: Simplify right side
   17,868.84x = 144,296,783.10
5. Step 5: Solve for x
   x = 144,296,783.10/17,868.84
6. Step 6: Final answer
   x = 8,075.33