Finding the Fourth Proportional to 2,478,245.98, 3,717,410.01 and 681,118.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478,245.98 : 3,717,410.01 = 681,118.42 : x
2. Step 2: Convert to fraction form
   2,478,245.98/3,717,410.01 = 681,118.42/x
3. Step 3: Cross multiply
   2,478,245.98x = 3,717,410.01 × 681,118.42
4. Step 4: Simplify right side
   2,478,245.98x = 2,531,996,432,503.38
5. Step 5: Solve for x
   x = 2,531,996,432,503.38/2,478,245.98
6. Step 6: Final answer
   x = 1,021,688.91