Finding the Fourth Proportional to 9,938.76, 14,898.36 and 4,748.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.76 : 14,898.36 = 4,748.28 : x
2. Step 2: Convert to fraction form
   9,938.76/14,898.36 = 4,748.28/x
3. Step 3: Cross multiply
   9,938.76x = 14,898.36 × 4,748.28
4. Step 4: Simplify right side
   9,938.76x = 70,741,584.82
5. Step 5: Solve for x
   x = 70,741,584.82/9,938.76
6. Step 6: Final answer
   x = 7,117.75