Finding the Fourth Proportional to 7,428.96, 10,250.16 and 4,116.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,428.96 : 10,250.16 = 4,116.96 : x
2. Step 2: Convert to fraction form
   7,428.96/10,250.16 = 4,116.96/x
3. Step 3: Cross multiply
   7,428.96x = 10,250.16 × 4,116.96
4. Step 4: Simplify right side
   7,428.96x = 42,199,498.71
5. Step 5: Solve for x
   x = 42,199,498.71/7,428.96
6. Step 6: Final answer
   x = 5,680.40