Finding the Fourth Proportional to 4,870.30, 7,300.18 and 1,945.39

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870.30 : 7,300.18 = 1,945.39 : x
2. Step 2: Convert to fraction form
   4,870.30/7,300.18 = 1,945.39/x
3. Step 3: Cross multiply
   4,870.30x = 7,300.18 × 1,945.39
4. Step 4: Simplify right side
   4,870.30x = 14,201,650.94
5. Step 5: Solve for x
   x = 14,201,650.94/4,870.30
6. Step 6: Final answer
   x = 2,915.97