Finding the Fourth Proportional to 1,056,410.34, 1,458,411.12 and 826,478.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056,410.34 : 1,458,411.12 = 826,478.88 : x
2. Step 2: Convert to fraction form
   1,056,410.34/1,458,411.12 = 826,478.88/x
3. Step 3: Cross multiply
   1,056,410.34x = 1,458,411.12 × 826,478.88
4. Step 4: Simplify right side
   1,056,410.34x = 1,205,345,989,037.15
5. Step 5: Solve for x
   x = 1,205,345,989,037.15/1,056,410.34
6. Step 6: Final answer
   x = 1,140,982.76