Finding the Fourth Proportional to 31,437.06, 43,384.06 and 17,290.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,437.06 : 43,384.06 = 17,290.82 : x
2. Step 2: Convert to fraction form
   31,437.06/43,384.06 = 17,290.82/x
3. Step 3: Cross multiply
   31,437.06x = 43,384.06 × 17,290.82
4. Step 4: Simplify right side
   31,437.06x = 750,145,972.33
5. Step 5: Solve for x
   x = 750,145,972.33/31,437.06
6. Step 6: Final answer
   x = 23,861.84