Finding the Fourth Proportional to 9,131.88, 13,694.58 and 3,585

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.88 : 13,694.58 = 3,585 : x
2. Step 2: Convert to fraction form
   9,131.88/13,694.58 = 3,585/x
3. Step 3: Cross multiply
   9,131.88x = 13,694.58 × 3,585
4. Step 4: Simplify right side
   9,131.88x = 49,095,069.30
5. Step 5: Solve for x
   x = 49,095,069.30/9,131.88
6. Step 6: Final answer
   x = 5,376.23