Finding the Fourth Proportional to 25,314.12, 37,967.31 and 8,670.30

Step by Step Solution

1. Step 1: Write the proportion equation
   25,314.12 : 37,967.31 = 8,670.30 : x
2. Step 2: Convert to fraction form
   25,314.12/37,967.31 = 8,670.30/x
3. Step 3: Cross multiply
   25,314.12x = 37,967.31 × 8,670.30
4. Step 4: Simplify right side
   25,314.12x = 329,187,967.89
5. Step 5: Solve for x
   x = 329,187,967.89/25,314.12
6. Step 6: Final answer
   x = 13,004.12