Finding the Fourth Proportional to 23,185.31, 31,994.01 and 12,975.00

Step by Step Solution

1. Step 1: Write the proportion equation
   23,185.31 : 31,994.01 = 12,975.00 : x
2. Step 2: Convert to fraction form
   23,185.31/31,994.01 = 12,975.00/x
3. Step 3: Cross multiply
   23,185.31x = 31,994.01 × 12,975.00
4. Step 4: Simplify right side
   23,185.31x = 415,122,339.74
5. Step 5: Solve for x
   x = 415,122,339.74/23,185.31
6. Step 6: Final answer
   x = 17,904.54