Finding the Fourth Proportional to 31,588.67, 43,592.34 and 18,162.55

Step by Step Solution

1. Step 1: Write the proportion equation
   31,588.67 : 43,592.34 = 18,162.55 : x
2. Step 2: Convert to fraction form
   31,588.67/43,592.34 = 18,162.55/x
3. Step 3: Cross multiply
   31,588.67x = 43,592.34 × 18,162.55
4. Step 4: Simplify right side
   31,588.67x = 791,748,054.87
5. Step 5: Solve for x
   x = 791,748,054.87/31,588.67
6. Step 6: Final answer
   x = 25,064.30