Finding the Fourth Proportional to 31,238.06, 43,109.54 and 17,809.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,238.06 : 43,109.54 = 17,809.06 : x
2. Step 2: Convert to fraction form
   31,238.06/43,109.54 = 17,809.06/x
3. Step 3: Cross multiply
   31,238.06x = 43,109.54 × 17,809.06
4. Step 4: Simplify right side
   31,238.06x = 767,740,384.43
5. Step 5: Solve for x
   x = 767,740,384.43/31,238.06
6. Step 6: Final answer
   x = 24,577.08