Finding the Fourth Proportional to 2,098,610.10, 3,147,915.15 and 1,678,706.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,098,610.10 : 3,147,915.15 = 1,678,706.10 : x
2. Step 2: Convert to fraction form
   2,098,610.10/3,147,915.15 = 1,678,706.10/x
3. Step 3: Cross multiply
   2,098,610.10x = 3,147,915.15 × 1,678,706.10
4. Step 4: Simplify right side
   2,098,610.10x = 5,284,424,364,587.42
5. Step 5: Solve for x
   x = 5,284,424,364,587.42/2,098,610.10
6. Step 6: Final answer
   x = 2,518,059.15