Finding the Fourth Proportional to 9,492.83, 13,102.77 and 5,513.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,492.83 : 13,102.77 = 5,513.21 : x
2. Step 2: Convert to fraction form
   9,492.83/13,102.77 = 5,513.21/x
3. Step 3: Cross multiply
   9,492.83x = 13,102.77 × 5,513.21
4. Step 4: Simplify right side
   9,492.83x = 72,238,322.59
5. Step 5: Solve for x
   x = 72,238,322.59/9,492.83
6. Step 6: Final answer
   x = 7,609.78