Finding the Fourth Proportional to 1,146,142.94, 1,581,612.89 and 687,027.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,142.94 : 1,581,612.89 = 687,027.74 : x
2. Step 2: Convert to fraction form
   1,146,142.94/1,581,612.89 = 687,027.74/x
3. Step 3: Cross multiply
   1,146,142.94x = 1,581,612.89 × 687,027.74
4. Step 4: Simplify right side
   1,146,142.94x = 1,086,611,918,028.37
5. Step 5: Solve for x
   x = 1,086,611,918,028.37/1,146,142.94
6. Step 6: Final answer
   x = 948,059.69