Finding the Fourth Proportional to 14,071.83, 21,111.30 and 4,211.07

Step by Step Solution

1. Step 1: Write the proportion equation
   14,071.83 : 21,111.30 = 4,211.07 : x
2. Step 2: Convert to fraction form
   14,071.83/21,111.30 = 4,211.07/x
3. Step 3: Cross multiply
   14,071.83x = 21,111.30 × 4,211.07
4. Step 4: Simplify right side
   14,071.83x = 88,901,162.09
5. Step 5: Solve for x
   x = 88,901,162.09/14,071.83
6. Step 6: Final answer
   x = 6,317.67