Finding the Fourth Proportional to 4,781.31, 7,173.59 and 2,933.70

Step by Step Solution

1. Step 1: Write the proportion equation
   4,781.31 : 7,173.59 = 2,933.70 : x
2. Step 2: Convert to fraction form
   4,781.31/7,173.59 = 2,933.70/x
3. Step 3: Cross multiply
   4,781.31x = 7,173.59 × 2,933.70
4. Step 4: Simplify right side
   4,781.31x = 21,045,146.31
5. Step 5: Solve for x
   x = 21,045,146.31/4,781.31
6. Step 6: Final answer
   x = 4,401.54