Finding the Fourth Proportional to 13,374.67, 18,457.72 and 7,710.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,374.67 : 18,457.72 = 7,710.34 : x
2. Step 2: Convert to fraction form
   13,374.67/18,457.72 = 7,710.34/x
3. Step 3: Cross multiply
   13,374.67x = 18,457.72 × 7,710.34
4. Step 4: Simplify right side
   13,374.67x = 142,315,309.38
5. Step 5: Solve for x
   x = 142,315,309.38/13,374.67
6. Step 6: Final answer
   x = 10,640.66