Finding the Fourth Proportional to 8,784.55, 12,123.80 and 5,762.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,784.55 : 12,123.80 = 5,762.22 : x
2. Step 2: Convert to fraction form
   8,784.55/12,123.80 = 5,762.22/x
3. Step 3: Cross multiply
   8,784.55x = 12,123.80 × 5,762.22
4. Step 4: Simplify right side
   8,784.55x = 69,860,002.84
5. Step 5: Solve for x
   x = 69,860,002.84/8,784.55
6. Step 6: Final answer
   x = 7,952.60