Finding the Fourth Proportional to 2,421,222.76, 3,341,158.23 and 1,388,676.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421,222.76 : 3,341,158.23 = 1,388,676.88 : x
2. Step 2: Convert to fraction form
   2,421,222.76/3,341,158.23 = 1,388,676.88/x
3. Step 3: Cross multiply
   2,421,222.76x = 3,341,158.23 × 1,388,676.88
4. Step 4: Simplify right side
   2,421,222.76x = 4,639,789,186,422.72
5. Step 5: Solve for x
   x = 4,639,789,186,422.72/2,421,222.76
6. Step 6: Final answer
   x = 1,916,300.00