Finding the Fourth Proportional to 10,422.01, 15,637.46 and 6,913.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,422.01 : 15,637.46 = 6,913.25 : x
2. Step 2: Convert to fraction form
   10,422.01/15,637.46 = 6,913.25/x
3. Step 3: Cross multiply
   10,422.01x = 15,637.46 × 6,913.25
4. Step 4: Simplify right side
   10,422.01x = 108,105,592.16
5. Step 5: Solve for x
   x = 108,105,592.16/10,422.01
6. Step 6: Final answer
   x = 10,372.82