Finding the Fourth Proportional to 30,047.32, 45,068.82 and 13,408.84

Step by Step Solution

1. Step 1: Write the proportion equation
   30,047.32 : 45,068.82 = 13,408.84 : x
2. Step 2: Convert to fraction form
   30,047.32/45,068.82 = 13,408.84/x
3. Step 3: Cross multiply
   30,047.32x = 45,068.82 × 13,408.84
4. Step 4: Simplify right side
   30,047.32x = 604,320,596.37
5. Step 5: Solve for x
   x = 604,320,596.37/30,047.32
6. Step 6: Final answer
   x = 20,112.30