Finding the Fourth Proportional to 7,380.72, 10,186.56 and 4,237.92

Step by Step Solution

1. Step 1: Write the proportion equation
   7,380.72 : 10,186.56 = 4,237.92 : x
2. Step 2: Convert to fraction form
   7,380.72/10,186.56 = 4,237.92/x
3. Step 3: Cross multiply
   7,380.72x = 10,186.56 × 4,237.92
4. Step 4: Simplify right side
   7,380.72x = 43,169,826.36
5. Step 5: Solve for x
   x = 43,169,826.36/7,380.72
6. Step 6: Final answer
   x = 5,849.00