Finding the Fourth Proportional to 11,550.79, 15,938.94 and 7,075.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,550.79 : 15,938.94 = 7,075.81 : x
2. Step 2: Convert to fraction form
   11,550.79/15,938.94 = 7,075.81/x
3. Step 3: Cross multiply
   11,550.79x = 15,938.94 × 7,075.81
4. Step 4: Simplify right side
   11,550.79x = 112,780,911.04
5. Step 5: Solve for x
   x = 112,780,911.04/11,550.79
6. Step 6: Final answer
   x = 9,763.91