Finding the Fourth Proportional to 25,185.06, 37,782.18 and 10,385.76

Step by Step Solution

1. Step 1: Write the proportion equation
   25,185.06 : 37,782.18 = 10,385.76 : x
2. Step 2: Convert to fraction form
   25,185.06/37,782.18 = 10,385.76/x
3. Step 3: Cross multiply
   25,185.06x = 37,782.18 × 10,385.76
4. Step 4: Simplify right side
   25,185.06x = 392,396,653.76
5. Step 5: Solve for x
   x = 392,396,653.76/25,185.06
6. Step 6: Final answer
   x = 15,580.53