Finding the Fourth Proportional to 9,472.57, 13,071.94 and 5,494.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,472.57 : 13,071.94 = 5,494.05 : x
2. Step 2: Convert to fraction form
   9,472.57/13,071.94 = 5,494.05/x
3. Step 3: Cross multiply
   9,472.57x = 13,071.94 × 5,494.05
4. Step 4: Simplify right side
   9,472.57x = 71,817,878.22
5. Step 5: Solve for x
   x = 71,817,878.22/9,472.57
6. Step 6: Final answer
   x = 7,581.67