Finding the Fourth Proportional to 44,978.64, 67,456.18 and 13,380.18

Step by Step Solution

1. Step 1: Write the proportion equation
   44,978.64 : 67,456.18 = 13,380.18 : x
2. Step 2: Convert to fraction form
   44,978.64/67,456.18 = 13,380.18/x
3. Step 3: Cross multiply
   44,978.64x = 67,456.18 × 13,380.18
4. Step 4: Simplify right side
   44,978.64x = 902,575,830.51
5. Step 5: Solve for x
   x = 902,575,830.51/44,978.64
6. Step 6: Final answer
   x = 20,066.77