Finding the Fourth Proportional to 2,112,648.54, 2,915,827.65 and 1,253,682.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,648.54 : 2,915,827.65 = 1,253,682.42 : x
2. Step 2: Convert to fraction form
   2,112,648.54/2,915,827.65 = 1,253,682.42/x
3. Step 3: Cross multiply
   2,112,648.54x = 2,915,827.65 × 1,253,682.42
4. Step 4: Simplify right side
   2,112,648.54x = 3,655,521,864,554.91
5. Step 5: Solve for x
   x = 3,655,521,864,554.91/2,112,648.54
6. Step 6: Final answer
   x = 1,730,302.89