Finding the Fourth Proportional to 831,015.71, 1,146,899.61 and 463,550.72

Step by Step Solution

1. Step 1: Write the proportion equation
   831,015.71 : 1,146,899.61 = 463,550.72 : x
2. Step 2: Convert to fraction form
   831,015.71/1,146,899.61 = 463,550.72/x
3. Step 3: Cross multiply
   831,015.71x = 1,146,899.61 × 463,550.72
4. Step 4: Simplify right side
   831,015.71x = 531,646,134,248.72
5. Step 5: Solve for x
   x = 531,646,134,248.72/831,015.71
6. Step 6: Final answer
   x = 639,754.62