Finding the Fourth Proportional to 12,970, 17,898.60 and 7,381

Step by Step Solution

1. Step 1: Write the proportion equation
   12,970 : 17,898.60 = 7,381 : x
2. Step 2: Convert to fraction form
   12,970/17,898.60 = 7,381/x
3. Step 3: Cross multiply
   12,970x = 17,898.60 × 7,381
4. Step 4: Simplify right side
   12,970x = 132,109,566.60
5. Step 5: Solve for x
   x = 132,109,566.60/12,970
6. Step 6: Final answer
   x = 10,185.78