Finding the Fourth Proportional to 10,130.56, 15,204.48 and 3,978.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,130.56 : 15,204.48 = 3,978.88 : x
2. Step 2: Convert to fraction form
   10,130.56/15,204.48 = 3,978.88/x
3. Step 3: Cross multiply
   10,130.56x = 15,204.48 × 3,978.88
4. Step 4: Simplify right side
   10,130.56x = 60,496,801.38
5. Step 5: Solve for x
   x = 60,496,801.38/10,130.56
6. Step 6: Final answer
   x = 5,971.71