Finding the Fourth Proportional to 11,555.98, 15,941.61 and 7,575.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,555.98 : 15,941.61 = 7,575.34 : x
2. Step 2: Convert to fraction form
   11,555.98/15,941.61 = 7,575.34/x
3. Step 3: Cross multiply
   11,555.98x = 15,941.61 × 7,575.34
4. Step 4: Simplify right side
   11,555.98x = 120,763,115.90
5. Step 5: Solve for x
   x = 120,763,115.90/11,555.98
6. Step 6: Final answer
   x = 10,450.27