Finding the Fourth Proportional to 21,070.18, 31,632.72 and 14,095

Step by Step Solution

1. Step 1: Write the proportion equation
   21,070.18 : 31,632.72 = 14,095 : x
2. Step 2: Convert to fraction form
   21,070.18/31,632.72 = 14,095/x
3. Step 3: Cross multiply
   21,070.18x = 31,632.72 × 14,095
4. Step 4: Simplify right side
   21,070.18x = 445,863,188.40
5. Step 5: Solve for x
   x = 445,863,188.40/21,070.18
6. Step 6: Final answer
   x = 21,160.86