Finding the Fourth Proportional to 1,061,045.34, 1,591,516.17 and 396,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,045.34 : 1,591,516.17 = 396,145.50 : x
2. Step 2: Convert to fraction form
   1,061,045.34/1,591,516.17 = 396,145.50/x
3. Step 3: Cross multiply
   1,061,045.34x = 1,591,516.17 × 396,145.50
4. Step 4: Simplify right side
   1,061,045.34x = 630,471,968,922.74
5. Step 5: Solve for x
   x = 630,471,968,922.74/1,061,045.34
6. Step 6: Final answer
   x = 594,198.90