Finding the Fourth Proportional to 581,694.72, 803,190.24 and 454,146.72

Step by Step Solution

1. Step 1: Write the proportion equation
   581,694.72 : 803,190.24 = 454,146.72 : x
2. Step 2: Convert to fraction form
   581,694.72/803,190.24 = 454,146.72/x
3. Step 3: Cross multiply
   581,694.72x = 803,190.24 × 454,146.72
4. Step 4: Simplify right side
   581,694.72x = 364,766,213,032.01
5. Step 5: Solve for x
   x = 364,766,213,032.01/581,694.72
6. Step 6: Final answer
   x = 627,074.99