Finding the Fourth Proportional to 10,248.57, 15,370.43 and 4,698.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,248.57 : 15,370.43 = 4,698.45 : x
2. Step 2: Convert to fraction form
   10,248.57/15,370.43 = 4,698.45/x
3. Step 3: Cross multiply
   10,248.57x = 15,370.43 × 4,698.45
4. Step 4: Simplify right side
   10,248.57x = 72,217,173.34
5. Step 5: Solve for x
   x = 72,217,173.34/10,248.57
6. Step 6: Final answer
   x = 7,046.56