Finding the Fourth Proportional to 23,581.98, 32,543.70 and 12,971.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,581.98 : 32,543.70 = 12,971.88 : x
2. Step 2: Convert to fraction form
   23,581.98/32,543.70 = 12,971.88/x
3. Step 3: Cross multiply
   23,581.98x = 32,543.70 × 12,971.88
4. Step 4: Simplify right side
   23,581.98x = 422,152,971.16
5. Step 5: Solve for x
   x = 422,152,971.16/23,581.98
6. Step 6: Final answer
   x = 17,901.51