Finding the Fourth Proportional to 10,426.78, 15,638.01 and 3,848.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,426.78 : 15,638.01 = 3,848.47 : x
2. Step 2: Convert to fraction form
   10,426.78/15,638.01 = 3,848.47/x
3. Step 3: Cross multiply
   10,426.78x = 15,638.01 × 3,848.47
4. Step 4: Simplify right side
   10,426.78x = 60,182,412.34
5. Step 5: Solve for x
   x = 60,182,412.34/10,426.78
6. Step 6: Final answer
   x = 5,771.91