Finding the Fourth Proportional to 15,774.52, 21,768.04 and 10,479

Step by Step Solution

1. Step 1: Write the proportion equation
   15,774.52 : 21,768.04 = 10,479 : x
2. Step 2: Convert to fraction form
   15,774.52/21,768.04 = 10,479/x
3. Step 3: Cross multiply
   15,774.52x = 21,768.04 × 10,479
4. Step 4: Simplify right side
   15,774.52x = 228,107,291.16
5. Step 5: Solve for x
   x = 228,107,291.16/15,774.52
6. Step 6: Final answer
   x = 14,460.49