Finding the Fourth Proportional to 2,516,007.96, 3,469,686.84 and 1,690,945.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516,007.96 : 3,469,686.84 = 1,690,945.20 : x
2. Step 2: Convert to fraction form
   2,516,007.96/3,469,686.84 = 1,690,945.20/x
3. Step 3: Cross multiply
   2,516,007.96x = 3,469,686.84 × 1,690,945.20
4. Step 4: Simplify right side
   2,516,007.96x = 5,867,050,307,601.17
5. Step 5: Solve for x
   x = 5,867,050,307,601.17/2,516,007.96
6. Step 6: Final answer
   x = 2,331,888.61