Finding the Fourth Proportional to 13,298.34, 19,950.94 and 4,978.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,298.34 : 19,950.94 = 4,978.48 : x
2. Step 2: Convert to fraction form
   13,298.34/19,950.94 = 4,978.48/x
3. Step 3: Cross multiply
   13,298.34x = 19,950.94 × 4,978.48
4. Step 4: Simplify right side
   13,298.34x = 99,325,349.52
5. Step 5: Solve for x
   x = 99,325,349.52/13,298.34
6. Step 6: Final answer
   x = 7,469.00