Finding the Fourth Proportional to 10,196.42, 15,281.67 and 4,652.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.42 : 15,281.67 = 4,652.78 : x
2. Step 2: Convert to fraction form
   10,196.42/15,281.67 = 4,652.78/x
3. Step 3: Cross multiply
   10,196.42x = 15,281.67 × 4,652.78
4. Step 4: Simplify right side
   10,196.42x = 71,102,248.54
5. Step 5: Solve for x
   x = 71,102,248.54/10,196.42
6. Step 6: Final answer
   x = 6,973.26