Finding the Fourth Proportional to 2,351,658, 3,528,079.28 and 668,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,351,658 : 3,528,079.28 = 668,761.50 : x
2. Step 2: Convert to fraction form
   2,351,658/3,528,079.28 = 668,761.50/x
3. Step 3: Cross multiply
   2,351,658x = 3,528,079.28 × 668,761.50
4. Step 4: Simplify right side
   2,351,658x = 2,359,443,591,411.72
5. Step 5: Solve for x
   x = 2,359,443,591,411.72/2,351,658
6. Step 6: Final answer
   x = 1,003,310.68