Finding the Fourth Proportional to 1,505,478.57, 2,077,562.61 and 817,150.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505,478.57 : 2,077,562.61 = 817,150.96 : x
2. Step 2: Convert to fraction form
   1,505,478.57/2,077,562.61 = 817,150.96/x
3. Step 3: Cross multiply
   1,505,478.57x = 2,077,562.61 × 817,150.96
4. Step 4: Simplify right side
   1,505,478.57x = 1,697,682,281,221.61
5. Step 5: Solve for x
   x = 1,697,682,281,221.61/1,505,478.57
6. Step 6: Final answer
   x = 1,127,669.51