Finding the Fourth Proportional to 1,640,300.10, 2,460,450.15 and 1,162,003.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,640,300.10 : 2,460,450.15 = 1,162,003.20 : x
2. Step 2: Convert to fraction form
   1,640,300.10/2,460,450.15 = 1,162,003.20/x
3. Step 3: Cross multiply
   1,640,300.10x = 2,460,450.15 × 1,162,003.20
4. Step 4: Simplify right side
   1,640,300.10x = 2,859,050,947,740.48
5. Step 5: Solve for x
   x = 2,859,050,947,740.48/1,640,300.10
6. Step 6: Final answer
   x = 1,743,004.80