Finding the Fourth Proportional to 450,003.30, 675,012.15 and 117,579.30

Step by Step Solution

1. Step 1: Write the proportion equation
   450,003.30 : 675,012.15 = 117,579.30 : x
2. Step 2: Convert to fraction form
   450,003.30/675,012.15 = 117,579.30/x
3. Step 3: Cross multiply
   450,003.30x = 675,012.15 × 117,579.30
4. Step 4: Simplify right side
   450,003.30x = 79,367,456,088.50
5. Step 5: Solve for x
   x = 79,367,456,088.50/450,003.30
6. Step 6: Final answer
   x = 176,370.83