Finding the Fourth Proportional to 9,442.42, 13,018.50 and 5,904.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,442.42 : 13,018.50 = 5,904.34 : x
2. Step 2: Convert to fraction form
   9,442.42/13,018.50 = 5,904.34/x
3. Step 3: Cross multiply
   9,442.42x = 13,018.50 × 5,904.34
4. Step 4: Simplify right side
   9,442.42x = 76,865,650.29
5. Step 5: Solve for x
   x = 76,865,650.29/9,442.42
6. Step 6: Final answer
   x = 8,140.46