Finding the Fourth Proportional to 11,873.82, 17,805.72 and 3,555.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,873.82 : 17,805.72 = 3,555.02 : x
2. Step 2: Convert to fraction form
   11,873.82/17,805.72 = 3,555.02/x
3. Step 3: Cross multiply
   11,873.82x = 17,805.72 × 3,555.02
4. Step 4: Simplify right side
   11,873.82x = 63,299,748.56
5. Step 5: Solve for x
   x = 63,299,748.56/11,873.82
6. Step 6: Final answer
   x = 5,331.03