Finding the Fourth Proportional to 14,637.15, 21,959.83 and 5,878.21

Step by Step Solution

1. Step 1: Write the proportion equation
   14,637.15 : 21,959.83 = 5,878.21 : x
2. Step 2: Convert to fraction form
   14,637.15/21,959.83 = 5,878.21/x
3. Step 3: Cross multiply
   14,637.15x = 21,959.83 × 5,878.21
4. Step 4: Simplify right side
   14,637.15x = 129,084,492.30
5. Step 5: Solve for x
   x = 129,084,492.30/14,637.15
6. Step 6: Final answer
   x = 8,818.96