Finding the Fourth Proportional to 23,976.30, 33,101.47 and 21,316.35

Step by Step Solution

1. Step 1: Write the proportion equation
   23,976.30 : 33,101.47 = 21,316.35 : x
2. Step 2: Convert to fraction form
   23,976.30/33,101.47 = 21,316.35/x
3. Step 3: Cross multiply
   23,976.30x = 33,101.47 × 21,316.35
4. Step 4: Simplify right side
   23,976.30x = 705,602,520.03
5. Step 5: Solve for x
   x = 705,602,520.03/23,976.30
6. Step 6: Final answer
   x = 29,429.17