Finding the Fourth Proportional to 23,477.94, 32,396.43 and 13,405.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,477.94 : 32,396.43 = 13,405.74 : x
2. Step 2: Convert to fraction form
   23,477.94/32,396.43 = 13,405.74/x
3. Step 3: Cross multiply
   23,477.94x = 32,396.43 × 13,405.74
4. Step 4: Simplify right side
   23,477.94x = 434,298,117.51
5. Step 5: Solve for x
   x = 434,298,117.51/23,477.94
6. Step 6: Final answer
   x = 18,498.14