Finding the Fourth Proportional to 9,420.30, 14,129.34 and 2,495.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,420.30 : 14,129.34 = 2,495.34 : x
2. Step 2: Convert to fraction form
   9,420.30/14,129.34 = 2,495.34/x
3. Step 3: Cross multiply
   9,420.30x = 14,129.34 × 2,495.34
4. Step 4: Simplify right side
   9,420.30x = 35,257,507.28
5. Step 5: Solve for x
   x = 35,257,507.28/9,420.30
6. Step 6: Final answer
   x = 3,742.72