Finding the Fourth Proportional to 9,053.60, 12,493.16 and 5,276.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,053.60 : 12,493.16 = 5,276.16 : x
2. Step 2: Convert to fraction form
   9,053.60/12,493.16 = 5,276.16/x
3. Step 3: Cross multiply
   9,053.60x = 12,493.16 × 5,276.16
4. Step 4: Simplify right side
   9,053.60x = 65,915,911.07
5. Step 5: Solve for x
   x = 65,915,911.07/9,053.60
6. Step 6: Final answer
   x = 7,280.63