Finding the Fourth Proportional to 9,978.24, 14,967.48 and 4,782.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978.24 : 14,967.48 = 4,782.96 : x
2. Step 2: Convert to fraction form
   9,978.24/14,967.48 = 4,782.96/x
3. Step 3: Cross multiply
   9,978.24x = 14,967.48 × 4,782.96
4. Step 4: Simplify right side
   9,978.24x = 71,588,858.14
5. Step 5: Solve for x
   x = 71,588,858.14/9,978.24
6. Step 6: Final answer
   x = 7,174.50