Finding the Fourth Proportional to 2,495,139.48, 3,443,288.40 and 1,407,407.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,495,139.48 : 3,443,288.40 = 1,407,407.67 : x
2. Step 2: Convert to fraction form
   2,495,139.48/3,443,288.40 = 1,407,407.67/x
3. Step 3: Cross multiply
   2,495,139.48x = 3,443,288.40 × 1,407,407.67
4. Step 4: Simplify right side
   2,495,139.48x = 4,846,110,504,182.03
5. Step 5: Solve for x
   x = 4,846,110,504,182.03/2,495,139.48
6. Step 6: Final answer
   x = 1,942,220.28