Finding the Fourth Proportional to 7,051.49, 10,575.91 and 3,540.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,051.49 : 10,575.91 = 3,540.55 : x
2. Step 2: Convert to fraction form
   7,051.49/10,575.91 = 3,540.55/x
3. Step 3: Cross multiply
   7,051.49x = 10,575.91 × 3,540.55
4. Step 4: Simplify right side
   7,051.49x = 37,444,538.15
5. Step 5: Solve for x
   x = 37,444,538.15/7,051.49
6. Step 6: Final answer
   x = 5,310.16