Finding the Fourth Proportional to 2,688,086.16, 4,030,729.29 and 1,267,760.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688,086.16 : 4,030,729.29 = 1,267,760.88 : x
2. Step 2: Convert to fraction form
   2,688,086.16/4,030,729.29 = 1,267,760.88/x
3. Step 3: Cross multiply
   2,688,086.16x = 4,030,729.29 × 1,267,760.88
4. Step 4: Simplify right side
   2,688,086.16x = 5,110,000,911,732.18
5. Step 5: Solve for x
   x = 5,110,000,911,732.18/2,688,086.16
6. Step 6: Final answer
   x = 1,900,981.07