Finding the Fourth Proportional to 1,521,498.84, 2,099,668.55 and 842,435.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,498.84 : 2,099,668.55 = 842,435.34 : x
2. Step 2: Convert to fraction form
   1,521,498.84/2,099,668.55 = 842,435.34/x
3. Step 3: Cross multiply
   1,521,498.84x = 2,099,668.55 × 842,435.34
4. Step 4: Simplify right side
   1,521,498.84x = 1,768,834,984,594.38
5. Step 5: Solve for x
   x = 1,768,834,984,594.38/1,521,498.84
6. Step 6: Final answer
   x = 1,162,560.85