Finding the Fourth Proportional to 9,199.72, 12,699.30 and 5,473

Step by Step Solution

1. Step 1: Write the proportion equation
   9,199.72 : 12,699.30 = 5,473 : x
2. Step 2: Convert to fraction form
   9,199.72/12,699.30 = 5,473/x
3. Step 3: Cross multiply
   9,199.72x = 12,699.30 × 5,473
4. Step 4: Simplify right side
   9,199.72x = 69,503,268.90
5. Step 5: Solve for x
   x = 69,503,268.90/9,199.72
6. Step 6: Final answer
   x = 7,554.93