Finding the Fourth Proportional to 3,902.22, 5,837.13 and 2,970.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,902.22 : 5,837.13 = 2,970.72 : x
2. Step 2: Convert to fraction form
   3,902.22/5,837.13 = 2,970.72/x
3. Step 3: Cross multiply
   3,902.22x = 5,837.13 × 2,970.72
4. Step 4: Simplify right side
   3,902.22x = 17,340,478.83
5. Step 5: Solve for x
   x = 17,340,478.83/3,902.22
6. Step 6: Final answer
   x = 4,443.75