Finding the Fourth Proportional to 1,359,605.15, 2,037,570.59 and 517,697.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359,605.15 : 2,037,570.59 = 517,697.63 : x
2. Step 2: Convert to fraction form
   1,359,605.15/2,037,570.59 = 517,697.63/x
3. Step 3: Cross multiply
   1,359,605.15x = 2,037,570.59 × 517,697.63
4. Step 4: Simplify right side
   1,359,605.15x = 1,054,845,464,147.98
5. Step 5: Solve for x
   x = 1,054,845,464,147.98/1,359,605.15
6. Step 6: Final answer
   x = 775,846.92