Finding the Fourth Proportional to 31,328.06, 43,228.73 and 17,900.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,328.06 : 43,228.73 = 17,900.18 : x
2. Step 2: Convert to fraction form
   31,328.06/43,228.73 = 17,900.18/x
3. Step 3: Cross multiply
   31,328.06x = 43,228.73 × 17,900.18
4. Step 4: Simplify right side
   31,328.06x = 773,802,048.17
5. Step 5: Solve for x
   x = 773,802,048.17/31,328.06
6. Step 6: Final answer
   x = 24,699.97