Finding the Fourth Proportional to 2,168,885.20, 2,990,401 and 1,759,828.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168,885.20 : 2,990,401 = 1,759,828.72 : x
2. Step 2: Convert to fraction form
   2,168,885.20/2,990,401 = 1,759,828.72/x
3. Step 3: Cross multiply
   2,168,885.20x = 2,990,401 × 1,759,828.72
4. Step 4: Simplify right side
   2,168,885.20x = 5,262,593,564,116.72
5. Step 5: Solve for x
   x = 5,262,593,564,116.72/2,168,885.20
6. Step 6: Final answer
   x = 2,426,404.85