Finding the Fourth Proportional to 9,093.99, 12,572.72 and 7,986.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,093.99 : 12,572.72 = 7,986.45 : x
2. Step 2: Convert to fraction form
   9,093.99/12,572.72 = 7,986.45/x
3. Step 3: Cross multiply
   9,093.99x = 12,572.72 × 7,986.45
4. Step 4: Simplify right side
   9,093.99x = 100,411,359.71
5. Step 5: Solve for x
   x = 100,411,359.71/9,093.99
6. Step 6: Final answer
   x = 11,041.51