Finding the Fourth Proportional to 7,580.18, 10,460.31 and 4,222.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,580.18 : 10,460.31 = 4,222.88 : x
2. Step 2: Convert to fraction form
   7,580.18/10,460.31 = 4,222.88/x
3. Step 3: Cross multiply
   7,580.18x = 10,460.31 × 4,222.88
4. Step 4: Simplify right side
   7,580.18x = 44,172,633.89
5. Step 5: Solve for x
   x = 44,172,633.89/7,580.18
6. Step 6: Final answer
   x = 5,827.39