Finding the Fourth Proportional to 7,063.98, 9,748.29 and 3,920.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,063.98 : 9,748.29 = 3,920.76 : x
2. Step 2: Convert to fraction form
   7,063.98/9,748.29 = 3,920.76/x
3. Step 3: Cross multiply
   7,063.98x = 9,748.29 × 3,920.76
4. Step 4: Simplify right side
   7,063.98x = 38,220,705.50
5. Step 5: Solve for x
   x = 38,220,705.50/7,063.98
6. Step 6: Final answer
   x = 5,410.65