Finding the Fourth Proportional to 9,978.54, 14,968.89 and 3,053.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978.54 : 14,968.89 = 3,053.58 : x
2. Step 2: Convert to fraction form
   9,978.54/14,968.89 = 3,053.58/x
3. Step 3: Cross multiply
   9,978.54x = 14,968.89 × 3,053.58
4. Step 4: Simplify right side
   9,978.54x = 45,708,703.13
5. Step 5: Solve for x
   x = 45,708,703.13/9,978.54
6. Step 6: Final answer
   x = 4,580.70