Finding the Fourth Proportional to 10,357.97, 15,530.72 and 4,657.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,357.97 : 15,530.72 = 4,657.89 : x
2. Step 2: Convert to fraction form
   10,357.97/15,530.72 = 4,657.89/x
3. Step 3: Cross multiply
   10,357.97x = 15,530.72 × 4,657.89
4. Step 4: Simplify right side
   10,357.97x = 72,340,385.38
5. Step 5: Solve for x
   x = 72,340,385.38/10,357.97
6. Step 6: Final answer
   x = 6,984.03