Finding the Fourth Proportional to 23,415.65, 35,061.18 and 18,298.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,415.65 : 35,061.18 = 18,298.83 : x
2. Step 2: Convert to fraction form
   23,415.65/35,061.18 = 18,298.83/x
3. Step 3: Cross multiply
   23,415.65x = 35,061.18 × 18,298.83
4. Step 4: Simplify right side
   23,415.65x = 641,578,572.42
5. Step 5: Solve for x
   x = 641,578,572.42/23,415.65
6. Step 6: Final answer
   x = 27,399.56