Finding the Fourth Proportional to 33,315.96, 45,971.59 and 21,395.45

Step by Step Solution

1. Step 1: Write the proportion equation
   33,315.96 : 45,971.59 = 21,395.45 : x
2. Step 2: Convert to fraction form
   33,315.96/45,971.59 = 21,395.45/x
3. Step 3: Cross multiply
   33,315.96x = 45,971.59 × 21,395.45
4. Step 4: Simplify right side
   33,315.96x = 983,582,855.27
5. Step 5: Solve for x
   x = 983,582,855.27/33,315.96
6. Step 6: Final answer
   x = 29,522.87