Finding the Fourth Proportional to 8,763.01, 12,089.00 and 5,405.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,763.01 : 12,089.00 = 5,405.96 : x
2. Step 2: Convert to fraction form
   8,763.01/12,089.00 = 5,405.96/x
3. Step 3: Cross multiply
   8,763.01x = 12,089.00 × 5,405.96
4. Step 4: Simplify right side
   8,763.01x = 65,352,694.18
5. Step 5: Solve for x
   x = 65,352,694.18/8,763.01
6. Step 6: Final answer
   x = 7,457.79