Finding the Fourth Proportional to 18,086.40, 27,152.69 and 17,900.10

Step by Step Solution

1. Step 1: Write the proportion equation
   18,086.40 : 27,152.69 = 17,900.10 : x
2. Step 2: Convert to fraction form
   18,086.40/27,152.69 = 17,900.10/x
3. Step 3: Cross multiply
   18,086.40x = 27,152.69 × 17,900.10
4. Step 4: Simplify right side
   18,086.40x = 486,035,776.77
5. Step 5: Solve for x
   x = 486,035,776.77/18,086.40
6. Step 6: Final answer
   x = 26,873.00