Finding the Fourth Proportional to 8,499.57, 12,756.84 and 4,554.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.57 : 12,756.84 = 4,554.06 : x
2. Step 2: Convert to fraction form
   8,499.57/12,756.84 = 4,554.06/x
3. Step 3: Cross multiply
   8,499.57x = 12,756.84 × 4,554.06
4. Step 4: Simplify right side
   8,499.57x = 58,095,414.77
5. Step 5: Solve for x
   x = 58,095,414.77/8,499.57
6. Step 6: Final answer
   x = 6,835.10