Finding the Fourth Proportional to 23,485.55, 32,409.86 and 12,875.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,485.55 : 32,409.86 = 12,875.15 : x
2. Step 2: Convert to fraction form
   23,485.55/32,409.86 = 12,875.15/x
3. Step 3: Cross multiply
   23,485.55x = 32,409.86 × 12,875.15
4. Step 4: Simplify right side
   23,485.55x = 417,281,825.63
5. Step 5: Solve for x
   x = 417,281,825.63/23,485.55
6. Step 6: Final answer
   x = 17,767.60