Finding the Fourth Proportional to 6,994.50, 10,495.40 and 3,531.75

Step by Step Solution

1. Step 1: Write the proportion equation
   6,994.50 : 10,495.40 = 3,531.75 : x
2. Step 2: Convert to fraction form
   6,994.50/10,495.40 = 3,531.75/x
3. Step 3: Cross multiply
   6,994.50x = 10,495.40 × 3,531.75
4. Step 4: Simplify right side
   6,994.50x = 37,067,111.29
5. Step 5: Solve for x
   x = 37,067,111.29/6,994.50
6. Step 6: Final answer
   x = 5,299.47