Finding the Fourth Proportional to 31,667.60, 43,659.06 and 25,317.20

Step by Step Solution

1. Step 1: Write the proportion equation
   31,667.60 : 43,659.06 = 25,317.20 : x
2. Step 2: Convert to fraction form
   31,667.60/43,659.06 = 25,317.20/x
3. Step 3: Cross multiply
   31,667.60x = 43,659.06 × 25,317.20
4. Step 4: Simplify right side
   31,667.60x = 1,105,325,153.83
5. Step 5: Solve for x
   x = 1,105,325,153.83/31,667.60
6. Step 6: Final answer
   x = 34,903.98