Finding the Fourth Proportional to 762,339.31, 1,051,851.83 and 456,299.42

Step by Step Solution

1. Step 1: Write the proportion equation
   762,339.31 : 1,051,851.83 = 456,299.42 : x
2. Step 2: Convert to fraction form
   762,339.31/1,051,851.83 = 456,299.42/x
3. Step 3: Cross multiply
   762,339.31x = 1,051,851.83 × 456,299.42
4. Step 4: Simplify right side
   762,339.31x = 479,959,377,641.97
5. Step 5: Solve for x
   x = 479,959,377,641.97/762,339.31
6. Step 6: Final answer
   x = 629,587.60