Finding the Fourth Proportional to 10,763.34, 16,145.93 and 2,972.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,763.34 : 16,145.93 = 2,972.15 : x
2. Step 2: Convert to fraction form
   10,763.34/16,145.93 = 2,972.15/x
3. Step 3: Cross multiply
   10,763.34x = 16,145.93 × 2,972.15
4. Step 4: Simplify right side
   10,763.34x = 47,988,173.64
5. Step 5: Solve for x
   x = 47,988,173.64/10,763.34
6. Step 6: Final answer
   x = 4,458.48