Finding the Fourth Proportional to 23,495.72, 32,424.54 and 12,886.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,495.72 : 32,424.54 = 12,886.16 : x
2. Step 2: Convert to fraction form
   23,495.72/32,424.54 = 12,886.16/x
3. Step 3: Cross multiply
   23,495.72x = 32,424.54 × 12,886.16
4. Step 4: Simplify right side
   23,495.72x = 417,827,810.37
5. Step 5: Solve for x
   x = 417,827,810.37/23,495.72
6. Step 6: Final answer
   x = 17,783.15