Finding the Fourth Proportional to 9,107.99, 12,562.72 and 5,572.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,107.99 : 12,562.72 = 5,572.95 : x
2. Step 2: Convert to fraction form
   9,107.99/12,562.72 = 5,572.95/x
3. Step 3: Cross multiply
   9,107.99x = 12,562.72 × 5,572.95
4. Step 4: Simplify right side
   9,107.99x = 70,011,410.42
5. Step 5: Solve for x
   x = 70,011,410.42/9,107.99
6. Step 6: Final answer
   x = 7,686.81