Finding the Fourth Proportional to 22,503.00, 31,054.38 and 12,431.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,503.00 : 31,054.38 = 12,431.71 : x
2. Step 2: Convert to fraction form
   22,503.00/31,054.38 = 12,431.71/x
3. Step 3: Cross multiply
   22,503.00x = 31,054.38 × 12,431.71
4. Step 4: Simplify right side
   22,503.00x = 386,058,828.96
5. Step 5: Solve for x
   x = 386,058,828.96/22,503.00
6. Step 6: Final answer
   x = 17,155.89