Finding the Fourth Proportional to 2,286,411.86, 3,429,615.98 and 688,974.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286,411.86 : 3,429,615.98 = 688,974.96 : x
2. Step 2: Convert to fraction form
   2,286,411.86/3,429,615.98 = 688,974.96/x
3. Step 3: Cross multiply
   2,286,411.86x = 3,429,615.98 × 688,974.96
4. Step 4: Simplify right side
   2,286,411.86x = 2,362,919,532,635.86
5. Step 5: Solve for x
   x = 2,362,919,532,635.86/2,286,411.86
6. Step 6: Final answer
   x = 1,033,461.89