Finding the Fourth Proportional to 21,761.83, 32,657.34 and 13,976.11

Step by Step Solution

1. Step 1: Write the proportion equation
   21,761.83 : 32,657.34 = 13,976.11 : x
2. Step 2: Convert to fraction form
   21,761.83/32,657.34 = 13,976.11/x
3. Step 3: Cross multiply
   21,761.83x = 32,657.34 × 13,976.11
4. Step 4: Simplify right side
   21,761.83x = 456,422,576.15
5. Step 5: Solve for x
   x = 456,422,576.15/21,761.83
6. Step 6: Final answer
   x = 20,973.54