Finding the Fourth Proportional to 8,834.02, 12,190.81 and 4,855.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,834.02 : 12,190.81 = 4,855.05 : x
2. Step 2: Convert to fraction form
   8,834.02/12,190.81 = 4,855.05/x
3. Step 3: Cross multiply
   8,834.02x = 12,190.81 × 4,855.05
4. Step 4: Simplify right side
   8,834.02x = 59,186,967.82
5. Step 5: Solve for x
   x = 59,186,967.82/8,834.02
6. Step 6: Final answer
   x = 6,699.89