Finding the Fourth Proportional to 25,139.29, 37,708.73 and 10,146.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,139.29 : 37,708.73 = 10,146.18 : x
2. Step 2: Convert to fraction form
   25,139.29/37,708.73 = 10,146.18/x
3. Step 3: Cross multiply
   25,139.29x = 37,708.73 × 10,146.18
4. Step 4: Simplify right side
   25,139.29x = 382,599,511.42
5. Step 5: Solve for x
   x = 382,599,511.42/25,139.29
6. Step 6: Final answer
   x = 15,219.18