Finding the Fourth Proportional to 11,429.57, 15,762.54 and 7,181.03

Step by Step Solution

1. Step 1: Write the proportion equation
   11,429.57 : 15,762.54 = 7,181.03 : x
2. Step 2: Convert to fraction form
   11,429.57/15,762.54 = 7,181.03/x
3. Step 3: Cross multiply
   11,429.57x = 15,762.54 × 7,181.03
4. Step 4: Simplify right side
   11,429.57x = 113,191,272.62
5. Step 5: Solve for x
   x = 113,191,272.62/11,429.57
6. Step 6: Final answer
   x = 9,903.37