Finding the Fourth Proportional to 11,494.98, 15,858.99 and 7,518.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,494.98 : 15,858.99 = 7,518.42 : x
2. Step 2: Convert to fraction form
   11,494.98/15,858.99 = 7,518.42/x
3. Step 3: Cross multiply
   11,494.98x = 15,858.99 × 7,518.42
4. Step 4: Simplify right side
   11,494.98x = 119,234,547.60
5. Step 5: Solve for x
   x = 119,234,547.60/11,494.98
6. Step 6: Final answer
   x = 10,372.75