Finding the Fourth Proportional to 7,300.59, 10,074.21 and 4,112.87

Step by Step Solution

1. Step 1: Write the proportion equation
   7,300.59 : 10,074.21 = 4,112.87 : x
2. Step 2: Convert to fraction form
   7,300.59/10,074.21 = 4,112.87/x
3. Step 3: Cross multiply
   7,300.59x = 10,074.21 × 4,112.87
4. Step 4: Simplify right side
   7,300.59x = 41,433,865.71
5. Step 5: Solve for x
   x = 41,433,865.71/7,300.59
6. Step 6: Final answer
   x = 5,675.41