Finding the Fourth Proportional to 2,810,514.24, 4,216,443.12 and 917,259.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,514.24 : 4,216,443.12 = 917,259.12 : x
2. Step 2: Convert to fraction form
   2,810,514.24/4,216,443.12 = 917,259.12/x
3. Step 3: Cross multiply
   2,810,514.24x = 4,216,443.12 × 917,259.12
4. Step 4: Simplify right side
   2,810,514.24x = 3,867,570,905,781.25
5. Step 5: Solve for x
   x = 3,867,570,905,781.25/2,810,514.24
6. Step 6: Final answer
   x = 1,376,107.92