Finding the Fourth Proportional to 9,290.42, 12,820.69 and 5,041.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,290.42 : 12,820.69 = 5,041.47 : x
2. Step 2: Convert to fraction form
   9,290.42/12,820.69 = 5,041.47/x
3. Step 3: Cross multiply
   9,290.42x = 12,820.69 × 5,041.47
4. Step 4: Simplify right side
   9,290.42x = 64,635,124.01
5. Step 5: Solve for x
   x = 64,635,124.01/9,290.42
6. Step 6: Final answer
   x = 6,957.18