Finding the Fourth Proportional to 2,604,566.79, 3,906,997.80 and 807,705.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,604,566.79 : 3,906,997.80 = 807,705.72 : x
2. Step 2: Convert to fraction form
   2,604,566.79/3,906,997.80 = 807,705.72/x
3. Step 3: Cross multiply
   2,604,566.79x = 3,906,997.80 × 807,705.72
4. Step 4: Simplify right side
   2,604,566.79x = 3,155,704,471,087.42
5. Step 5: Solve for x
   x = 3,155,704,471,087.42/2,604,566.79
6. Step 6: Final answer
   x = 1,211,604.36