Finding the Fourth Proportional to 12,314.85, 18,461.31 and 4,521.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,314.85 : 18,461.31 = 4,521.84 : x
2. Step 2: Convert to fraction form
   12,314.85/18,461.31 = 4,521.84/x
3. Step 3: Cross multiply
   12,314.85x = 18,461.31 × 4,521.84
4. Step 4: Simplify right side
   12,314.85x = 83,479,090.01
5. Step 5: Solve for x
   x = 83,479,090.01/12,314.85
6. Step 6: Final answer
   x = 6,778.73