Finding the Fourth Proportional to 11,059.99, 16,561.71 and 7,300.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,059.99 : 16,561.71 = 7,300.40 : x
2. Step 2: Convert to fraction form
   11,059.99/16,561.71 = 7,300.40/x
3. Step 3: Cross multiply
   11,059.99x = 16,561.71 × 7,300.40
4. Step 4: Simplify right side
   11,059.99x = 120,907,024.88
5. Step 5: Solve for x
   x = 120,907,024.88/11,059.99
6. Step 6: Final answer
   x = 10,931.93