Finding the Fourth Proportional to 30,068.67, 45,124.88 and 13,447.47

Step by Step Solution

1. Step 1: Write the proportion equation
   30,068.67 : 45,124.88 = 13,447.47 : x
2. Step 2: Convert to fraction form
   30,068.67/45,124.88 = 13,447.47/x
3. Step 3: Cross multiply
   30,068.67x = 45,124.88 × 13,447.47
4. Step 4: Simplify right side
   30,068.67x = 606,815,402.82
5. Step 5: Solve for x
   x = 606,815,402.82/30,068.67
6. Step 6: Final answer
   x = 20,180.99