Finding the Fourth Proportional to 9,420.38, 14,111.73 and 5,670.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,420.38 : 14,111.73 = 5,670.10 : x
2. Step 2: Convert to fraction form
   9,420.38/14,111.73 = 5,670.10/x
3. Step 3: Cross multiply
   9,420.38x = 14,111.73 × 5,670.10
4. Step 4: Simplify right side
   9,420.38x = 80,014,937.91
5. Step 5: Solve for x
   x = 80,014,937.91/9,420.38
6. Step 6: Final answer
   x = 8,493.81