Finding the Fourth Proportional to 8,762.58, 12,084.45 and 5,777.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,762.58 : 12,084.45 = 5,777.46 : x
2. Step 2: Convert to fraction form
   8,762.58/12,084.45 = 5,777.46/x
3. Step 3: Cross multiply
   8,762.58x = 12,084.45 × 5,777.46
4. Step 4: Simplify right side
   8,762.58x = 69,817,426.50
5. Step 5: Solve for x
   x = 69,817,426.50/8,762.58
6. Step 6: Final answer
   x = 7,967.68