Finding the Fourth Proportional to 11,403.32, 17,104.86 and 3,612.13

Step by Step Solution

1. Step 1: Write the proportion equation
   11,403.32 : 17,104.86 = 3,612.13 : x
2. Step 2: Convert to fraction form
   11,403.32/17,104.86 = 3,612.13/x
3. Step 3: Cross multiply
   11,403.32x = 17,104.86 × 3,612.13
4. Step 4: Simplify right side
   11,403.32x = 61,784,959.89
5. Step 5: Solve for x
   x = 61,784,959.89/11,403.32
6. Step 6: Final answer
   x = 5,418.16