Finding the Fourth Proportional to 11,354.98, 17,039.61 and 4,335.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,354.98 : 17,039.61 = 4,335.72 : x
2. Step 2: Convert to fraction form
   11,354.98/17,039.61 = 4,335.72/x
3. Step 3: Cross multiply
   11,354.98x = 17,039.61 × 4,335.72
4. Step 4: Simplify right side
   11,354.98x = 73,878,956.19
5. Step 5: Solve for x
   x = 73,878,956.19/11,354.98
6. Step 6: Final answer
   x = 6,506.30