Finding the Fourth Proportional to 101,579.32, 152,390.45 and 30,499.39

Step by Step Solution

1. Step 1: Write the proportion equation
   101,579.32 : 152,390.45 = 30,499.39 : x
2. Step 2: Convert to fraction form
   101,579.32/152,390.45 = 30,499.39/x
3. Step 3: Cross multiply
   101,579.32x = 152,390.45 × 30,499.39
4. Step 4: Simplify right side
   101,579.32x = 4,647,815,766.83
5. Step 5: Solve for x
   x = 4,647,815,766.83/101,579.32
6. Step 6: Final answer
   x = 45,755.53