Finding the Fourth Proportional to 11,688.32, 17,528.15 and 3,365.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,688.32 : 17,528.15 = 3,365.53 : x
2. Step 2: Convert to fraction form
   11,688.32/17,528.15 = 3,365.53/x
3. Step 3: Cross multiply
   11,688.32x = 17,528.15 × 3,365.53
4. Step 4: Simplify right side
   11,688.32x = 58,991,514.67
5. Step 5: Solve for x
   x = 58,991,514.67/11,688.32
6. Step 6: Final answer
   x = 5,047.05