Finding the Fourth Proportional to 23,485.26, 32,407.86 and 13,412.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,485.26 : 32,407.86 = 13,412.31 : x
2. Step 2: Convert to fraction form
   23,485.26/32,407.86 = 13,412.31/x
3. Step 3: Cross multiply
   23,485.26x = 32,407.86 × 13,412.31
4. Step 4: Simplify right side
   23,485.26x = 434,664,264.76
5. Step 5: Solve for x
   x = 434,664,264.76/23,485.26
6. Step 6: Final answer
   x = 18,507.96