Finding the Fourth Proportional to 31,141.13, 42,975.23 and 16,994.00

Step by Step Solution

1. Step 1: Write the proportion equation
   31,141.13 : 42,975.23 = 16,994.00 : x
2. Step 2: Convert to fraction form
   31,141.13/42,975.23 = 16,994.00/x
3. Step 3: Cross multiply
   31,141.13x = 42,975.23 × 16,994.00
4. Step 4: Simplify right side
   31,141.13x = 730,321,081.09
5. Step 5: Solve for x
   x = 730,321,081.09/31,141.13
6. Step 6: Final answer
   x = 23,451.98