Finding the Fourth Proportional to 23,182.46, 31,991.83 and 12,572.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,182.46 : 31,991.83 = 12,572.02 : x
2. Step 2: Convert to fraction form
   23,182.46/31,991.83 = 12,572.02/x
3. Step 3: Cross multiply
   23,182.46x = 31,991.83 × 12,572.02
4. Step 4: Simplify right side
   23,182.46x = 402,201,926.60
5. Step 5: Solve for x
   x = 402,201,926.60/23,182.46
6. Step 6: Final answer
   x = 17,349.41