Finding the Fourth Proportional to 612,003.63, 844,548.24 and 340,064.52

Step by Step Solution

1. Step 1: Write the proportion equation
   612,003.63 : 844,548.24 = 340,064.52 : x
2. Step 2: Convert to fraction form
   612,003.63/844,548.24 = 340,064.52/x
3. Step 3: Cross multiply
   612,003.63x = 844,548.24 × 340,064.52
4. Step 4: Simplify right side
   612,003.63x = 287,200,891,852.45
5. Step 5: Solve for x
   x = 287,200,891,852.45/612,003.63
6. Step 6: Final answer
   x = 469,279.72