Finding the Fourth Proportional to 1,039,059.30, 1,555,964.55 and 829,107.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,059.30 : 1,555,964.55 = 829,107.30 : x
2. Step 2: Convert to fraction form
   1,039,059.30/1,555,964.55 = 829,107.30/x
3. Step 3: Cross multiply
   1,039,059.30x = 1,555,964.55 × 829,107.30
4. Step 4: Simplify right side
   1,039,059.30x = 1,290,061,566,946.22
5. Step 5: Solve for x
   x = 1,290,061,566,946.22/1,039,059.30
6. Step 6: Final answer
   x = 1,241,566.84