Finding the Fourth Proportional to 2,632,091.80, 3,941,139.30 and 1,680,309.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632,091.80 : 3,941,139.30 = 1,680,309.40 : x
2. Step 2: Convert to fraction form
   2,632,091.80/3,941,139.30 = 1,680,309.40/x
3. Step 3: Cross multiply
   2,632,091.80x = 3,941,139.30 × 1,680,309.40
4. Step 4: Simplify right side
   2,632,091.80x = 6,622,333,412,499.42
5. Step 5: Solve for x
   x = 6,622,333,412,499.42/2,632,091.80
6. Step 6: Final answer
   x = 2,515,996.37