Finding the Fourth Proportional to 7,120.59, 10,675.98 and 3,830.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,120.59 : 10,675.98 = 3,830.37 : x
2. Step 2: Convert to fraction form
   7,120.59/10,675.98 = 3,830.37/x
3. Step 3: Cross multiply
   7,120.59x = 10,675.98 × 3,830.37
4. Step 4: Simplify right side
   7,120.59x = 40,892,953.51
5. Step 5: Solve for x
   x = 40,892,953.51/7,120.59
6. Step 6: Final answer
   x = 5,742.92