Finding the Fourth Proportional to 1,012,408.82, 1,397,064.18 and 559,672.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,408.82 : 1,397,064.18 = 559,672.82 : x
2. Step 2: Convert to fraction form
   1,012,408.82/1,397,064.18 = 559,672.82/x
3. Step 3: Cross multiply
   1,012,408.82x = 1,397,064.18 × 559,672.82
4. Step 4: Simplify right side
   1,012,408.82x = 781,898,849,341.59
5. Step 5: Solve for x
   x = 781,898,849,341.59/1,012,408.82
6. Step 6: Final answer
   x = 772,315.33