Finding the Fourth Proportional to 782,185.82, 1,079,431.72 and 510,427.58

Step by Step Solution

1. Step 1: Write the proportion equation
   782,185.82 : 1,079,431.72 = 510,427.58 : x
2. Step 2: Convert to fraction form
   782,185.82/1,079,431.72 = 510,427.58/x
3. Step 3: Cross multiply
   782,185.82x = 1,079,431.72 × 510,427.58
4. Step 4: Simplify right side
   782,185.82x = 550,971,713,941.61
5. Step 5: Solve for x
   x = 550,971,713,941.61/782,185.82
6. Step 6: Final answer
   x = 704,400.03