Finding the Fourth Proportional to 11,870.06, 17,802.33 and 3,972.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870.06 : 17,802.33 = 3,972.96 : x
2. Step 2: Convert to fraction form
   11,870.06/17,802.33 = 3,972.96/x
3. Step 3: Cross multiply
   11,870.06x = 17,802.33 × 3,972.96
4. Step 4: Simplify right side
   11,870.06x = 70,727,945.00
5. Step 5: Solve for x
   x = 70,727,945.00/11,870.06
6. Step 6: Final answer
   x = 5,958.52