Finding the Fourth Proportional to 31,085.06, 46,572.31 and 17,910.21

Step by Step Solution

1. Step 1: Write the proportion equation
   31,085.06 : 46,572.31 = 17,910.21 : x
2. Step 2: Convert to fraction form
   31,085.06/46,572.31 = 17,910.21/x
3. Step 3: Cross multiply
   31,085.06x = 46,572.31 × 17,910.21
4. Step 4: Simplify right side
   31,085.06x = 834,119,852.29
5. Step 5: Solve for x
   x = 834,119,852.29/31,085.06
6. Step 6: Final answer
   x = 26,833.46