Finding the Fourth Proportional to 745,870.15, 1,029,265 and 423,537.67

Step by Step Solution

1. Step 1: Write the proportion equation
   745,870.15 : 1,029,265 = 423,537.67 : x
2. Step 2: Convert to fraction form
   745,870.15/1,029,265 = 423,537.67/x
3. Step 3: Cross multiply
   745,870.15x = 1,029,265 × 423,537.67
4. Step 4: Simplify right side
   745,870.15x = 435,932,499,912.55
5. Step 5: Solve for x
   x = 435,932,499,912.55/745,870.15
6. Step 6: Final answer
   x = 584,461.65