Finding the Fourth Proportional to 11,373.66, 17,054.55 and 3,580.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,373.66 : 17,054.55 = 3,580.38 : x
2. Step 2: Convert to fraction form
   11,373.66/17,054.55 = 3,580.38/x
3. Step 3: Cross multiply
   11,373.66x = 17,054.55 × 3,580.38
4. Step 4: Simplify right side
   11,373.66x = 61,061,769.73
5. Step 5: Solve for x
   x = 61,061,769.73/11,373.66
6. Step 6: Final answer
   x = 5,368.70