Finding the Fourth Proportional to 23,485.68, 32,409.93 and 12,875.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,485.68 : 32,409.93 = 12,875.31 : x
2. Step 2: Convert to fraction form
   23,485.68/32,409.93 = 12,875.31/x
3. Step 3: Cross multiply
   23,485.68x = 32,409.93 × 12,875.31
4. Step 4: Simplify right side
   23,485.68x = 417,287,895.83
5. Step 5: Solve for x
   x = 417,287,895.83/23,485.68
6. Step 6: Final answer
   x = 17,767.76