Finding the Fourth Proportional to 9,569.71, 13,205.73 and 5,590.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,569.71 : 13,205.73 = 5,590.99 : x
2. Step 2: Convert to fraction form
   9,569.71/13,205.73 = 5,590.99/x
3. Step 3: Cross multiply
   9,569.71x = 13,205.73 × 5,590.99
4. Step 4: Simplify right side
   9,569.71x = 73,833,104.37
5. Step 5: Solve for x
   x = 73,833,104.37/9,569.71
6. Step 6: Final answer
   x = 7,715.29