Finding the Fourth Proportional to 9,359.61, 12,914.73 and 5,530.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,359.61 : 12,914.73 = 5,530.71 : x
2. Step 2: Convert to fraction form
   9,359.61/12,914.73 = 5,530.71/x
3. Step 3: Cross multiply
   9,359.61x = 12,914.73 × 5,530.71
4. Step 4: Simplify right side
   9,359.61x = 71,427,695.53
5. Step 5: Solve for x
   x = 71,427,695.53/9,359.61
6. Step 6: Final answer
   x = 7,631.48