Finding the Fourth Proportional to 8,522.70, 12,784.86 and 3,592.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,522.70 : 12,784.86 = 3,592.77 : x
2. Step 2: Convert to fraction form
   8,522.70/12,784.86 = 3,592.77/x
3. Step 3: Cross multiply
   8,522.70x = 12,784.86 × 3,592.77
4. Step 4: Simplify right side
   8,522.70x = 45,933,061.46
5. Step 5: Solve for x
   x = 45,933,061.46/8,522.70
6. Step 6: Final answer
   x = 5,389.50