Finding the Fourth Proportional to 12,962.54, 17,890.05 and 7,298.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,962.54 : 17,890.05 = 7,298.42 : x
2. Step 2: Convert to fraction form
   12,962.54/17,890.05 = 7,298.42/x
3. Step 3: Cross multiply
   12,962.54x = 17,890.05 × 7,298.42
4. Step 4: Simplify right side
   12,962.54x = 130,569,036.64
5. Step 5: Solve for x
   x = 130,569,036.64/12,962.54
6. Step 6: Final answer
   x = 10,072.80