Finding the Fourth Proportional to 1,298,665.94, 1,946,949.86 and 541,077.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298,665.94 : 1,946,949.86 = 541,077.98 : x
2. Step 2: Convert to fraction form
   1,298,665.94/1,946,949.86 = 541,077.98/x
3. Step 3: Cross multiply
   1,298,665.94x = 1,946,949.86 × 541,077.98
4. Step 4: Simplify right side
   1,298,665.94x = 1,053,451,697,410.08
5. Step 5: Solve for x
   x = 1,053,451,697,410.08/1,298,665.94
6. Step 6: Final answer
   x = 811,179.89