Finding the Fourth Proportional to 1,429,164.60, 2,140,944.24 and 828,864.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429,164.60 : 2,140,944.24 = 828,864.96 : x
2. Step 2: Convert to fraction form
   1,429,164.60/2,140,944.24 = 828,864.96/x
3. Step 3: Cross multiply
   1,429,164.60x = 2,140,944.24 × 828,864.96
4. Step 4: Simplify right side
   1,429,164.60x = 1,774,553,661,849.83
5. Step 5: Solve for x
   x = 1,774,553,661,849.83/1,429,164.60
6. Step 6: Final answer
   x = 1,241,672.00