Finding the Fourth Proportional to 4,801.60, 7,193.16 and 2,947.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,801.60 : 7,193.16 = 2,947.30 : x
2. Step 2: Convert to fraction form
   4,801.60/7,193.16 = 2,947.30/x
3. Step 3: Cross multiply
   4,801.60x = 7,193.16 × 2,947.30
4. Step 4: Simplify right side
   4,801.60x = 21,200,400.47
5. Step 5: Solve for x
   x = 21,200,400.47/4,801.60
6. Step 6: Final answer
   x = 4,415.28