Finding the Fourth Proportional to 739,443.50, 1,020,441.88 and 417,152.60

Step by Step Solution

1. Step 1: Write the proportion equation
   739,443.50 : 1,020,441.88 = 417,152.60 : x
2. Step 2: Convert to fraction form
   739,443.50/1,020,441.88 = 417,152.60/x
3. Step 3: Cross multiply
   739,443.50x = 1,020,441.88 × 417,152.60
4. Step 4: Simplify right side
   739,443.50x = 425,679,983,390.89
5. Step 5: Solve for x
   x = 425,679,983,390.89/739,443.50
6. Step 6: Final answer
   x = 575,676.14