Finding the Fourth Proportional to 18,736.67, 25,812.62 and 13,061.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,736.67 : 25,812.62 = 13,061.10 : x
2. Step 2: Convert to fraction form
   18,736.67/25,812.62 = 13,061.10/x
3. Step 3: Cross multiply
   18,736.67x = 25,812.62 × 13,061.10
4. Step 4: Simplify right side
   18,736.67x = 337,141,219.83
5. Step 5: Solve for x
   x = 337,141,219.83/18,736.67
6. Step 6: Final answer
   x = 17,993.66