Finding the Fourth Proportional to 1,050,942.80, 1,576,635.59 and 340,915.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050,942.80 : 1,576,635.59 = 340,915.40 : x
2. Step 2: Convert to fraction form
   1,050,942.80/1,576,635.59 = 340,915.40/x
3. Step 3: Cross multiply
   1,050,942.80x = 1,576,635.59 × 340,915.40
4. Step 4: Simplify right side
   1,050,942.80x = 537,499,345,788.20
5. Step 5: Solve for x
   x = 537,499,345,788.20/1,050,942.80
6. Step 6: Final answer
   x = 511,444.91