Finding the Fourth Proportional to 18,445, 25,454.10 and 10,061.68

Step by Step Solution

1. Step 1: Write the proportion equation
   18,445 : 25,454.10 = 10,061.68 : x
2. Step 2: Convert to fraction form
   18,445/25,454.10 = 10,061.68/x
3. Step 3: Cross multiply
   18,445x = 25,454.10 × 10,061.68
4. Step 4: Simplify right side
   18,445x = 256,111,008.89
5. Step 5: Solve for x
   x = 256,111,008.89/18,445
6. Step 6: Final answer
   x = 13,885.12