Finding the Fourth Proportional to 9,878.65, 13,632.03 and 5,401.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,878.65 : 13,632.03 = 5,401.53 : x
2. Step 2: Convert to fraction form
   9,878.65/13,632.03 = 5,401.53/x
3. Step 3: Cross multiply
   9,878.65x = 13,632.03 × 5,401.53
4. Step 4: Simplify right side
   9,878.65x = 73,633,819.01
5. Step 5: Solve for x
   x = 73,633,819.01/9,878.65
6. Step 6: Final answer
   x = 7,453.84