Finding the Fourth Proportional to 9,878.88, 14,818.56 and 3,955.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,878.88 : 14,818.56 = 3,955.52 : x
2. Step 2: Convert to fraction form
   9,878.88/14,818.56 = 3,955.52/x
3. Step 3: Cross multiply
   9,878.88x = 14,818.56 × 3,955.52
4. Step 4: Simplify right side
   9,878.88x = 58,615,110.45
5. Step 5: Solve for x
   x = 58,615,110.45/9,878.88
6. Step 6: Final answer
   x = 5,933.38