Finding the Fourth Proportional to 9,701.60, 13,388.72 and 5,454

Step by Step Solution

1. Step 1: Write the proportion equation
   9,701.60 : 13,388.72 = 5,454 : x
2. Step 2: Convert to fraction form
   9,701.60/13,388.72 = 5,454/x
3. Step 3: Cross multiply
   9,701.60x = 13,388.72 × 5,454
4. Step 4: Simplify right side
   9,701.60x = 73,022,078.88
5. Step 5: Solve for x
   x = 73,022,078.88/9,701.60
6. Step 6: Final answer
   x = 7,526.81