Finding the Fourth Proportional to 23,060.28, 34,589.61 and 7,477.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,060.28 : 34,589.61 = 7,477.50 : x
2. Step 2: Convert to fraction form
   23,060.28/34,589.61 = 7,477.50/x
3. Step 3: Cross multiply
   23,060.28x = 34,589.61 × 7,477.50
4. Step 4: Simplify right side
   23,060.28x = 258,643,808.78
5. Step 5: Solve for x
   x = 258,643,808.78/23,060.28
6. Step 6: Final answer
   x = 11,215.99