Finding the Fourth Proportional to 9,304.42, 12,840.06 and 5,112.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,304.42 : 12,840.06 = 5,112.58 : x
2. Step 2: Convert to fraction form
   9,304.42/12,840.06 = 5,112.58/x
3. Step 3: Cross multiply
   9,304.42x = 12,840.06 × 5,112.58
4. Step 4: Simplify right side
   9,304.42x = 65,645,833.95
5. Step 5: Solve for x
   x = 65,645,833.95/9,304.42
6. Step 6: Final answer
   x = 7,055.34