Finding the Fourth Proportional to 677,499.94, 1,016,643.57 and 303,522.94

Step by Step Solution

1. Step 1: Write the proportion equation
   677,499.94 : 1,016,643.57 = 303,522.94 : x
2. Step 2: Convert to fraction form
   677,499.94/1,016,643.57 = 303,522.94/x
3. Step 3: Cross multiply
   677,499.94x = 1,016,643.57 × 303,522.94
4. Step 4: Simplify right side
   677,499.94x = 308,574,645,298.50
5. Step 5: Solve for x
   x = 308,574,645,298.50/677,499.94
6. Step 6: Final answer
   x = 455,460.77