Finding the Fourth Proportional to 9,476.90, 13,078.09 and 5,500.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,476.90 : 13,078.09 = 5,500.34 : x
2. Step 2: Convert to fraction form
   9,476.90/13,078.09 = 5,500.34/x
3. Step 3: Cross multiply
   9,476.90x = 13,078.09 × 5,500.34
4. Step 4: Simplify right side
   9,476.90x = 71,933,941.55
5. Step 5: Solve for x
   x = 71,933,941.55/9,476.90
6. Step 6: Final answer
   x = 7,590.45