Finding the Fourth Proportional to 2,490,553.72, 3,736,355.46 and 807,526

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490,553.72 : 3,736,355.46 = 807,526 : x
2. Step 2: Convert to fraction form
   2,490,553.72/3,736,355.46 = 807,526/x
3. Step 3: Cross multiply
   2,490,553.72x = 3,736,355.46 × 807,526
4. Step 4: Simplify right side
   2,490,553.72x = 3,017,204,179,191.96
5. Step 5: Solve for x
   x = 3,017,204,179,191.96/2,490,553.72
6. Step 6: Final answer
   x = 1,211,459.18