Finding the Fourth Proportional to 1,432,103.87, 1,975,819.60 and 811,842.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432,103.87 : 1,975,819.60 = 811,842.50 : x
2. Step 2: Convert to fraction form
   1,432,103.87/1,975,819.60 = 811,842.50/x
3. Step 3: Cross multiply
   1,432,103.87x = 1,975,819.60 × 811,842.50
4. Step 4: Simplify right side
   1,432,103.87x = 1,604,054,309,674.69
5. Step 5: Solve for x
   x = 1,604,054,309,674.69/1,432,103.87
6. Step 6: Final answer
   x = 1,120,068.42