Finding the Fourth Proportional to 9,877.40, 13,630.86 and 5,401.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,877.40 : 13,630.86 = 5,401.08 : x
2. Step 2: Convert to fraction form
   9,877.40/13,630.86 = 5,401.08/x
3. Step 3: Cross multiply
   9,877.40x = 13,630.86 × 5,401.08
4. Step 4: Simplify right side
   9,877.40x = 73,621,365.33
5. Step 5: Solve for x
   x = 73,621,365.33/9,877.40
6. Step 6: Final answer
   x = 7,453.52