Finding the Fourth Proportional to 14,225.25, 19,630.86 and 7,938.84

Step by Step Solution

1. Step 1: Write the proportion equation
   14,225.25 : 19,630.86 = 7,938.84 : x
2. Step 2: Convert to fraction form
   14,225.25/19,630.86 = 7,938.84/x
3. Step 3: Cross multiply
   14,225.25x = 19,630.86 × 7,938.84
4. Step 4: Simplify right side
   14,225.25x = 155,846,256.60
5. Step 5: Solve for x
   x = 155,846,256.60/14,225.25
6. Step 6: Final answer
   x = 10,955.61