Finding the Fourth Proportional to 22,945.59, 31,666.55 and 12,875.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,945.59 : 31,666.55 = 12,875.00 : x
2. Step 2: Convert to fraction form
   22,945.59/31,666.55 = 12,875.00/x
3. Step 3: Cross multiply
   22,945.59x = 31,666.55 × 12,875.00
4. Step 4: Simplify right side
   22,945.59x = 407,706,608.54
5. Step 5: Solve for x
   x = 407,706,608.54/22,945.59
6. Step 6: Final answer
   x = 17,768.41