Finding the Fourth Proportional to 9,978.77, 14,967.60 and 3,053.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978.77 : 14,967.60 = 3,053.27 : x
2. Step 2: Convert to fraction form
   9,978.77/14,967.60 = 3,053.27/x
3. Step 3: Cross multiply
   9,978.77x = 14,967.60 × 3,053.27
4. Step 4: Simplify right side
   9,978.77x = 45,700,124.05
5. Step 5: Solve for x
   x = 45,700,124.05/9,978.77
6. Step 6: Final answer
   x = 4,579.74