Finding the Fourth Proportional to 740,185.12, 1,020,927.27 and 510,829.30

Step by Step Solution

1. Step 1: Write the proportion equation
   740,185.12 : 1,020,927.27 = 510,829.30 : x
2. Step 2: Convert to fraction form
   740,185.12/1,020,927.27 = 510,829.30/x
3. Step 3: Cross multiply
   740,185.12x = 1,020,927.27 × 510,829.30
4. Step 4: Simplify right side
   740,185.12x = 521,519,562,685.01
5. Step 5: Solve for x
   x = 521,519,562,685.01/740,185.12
6. Step 6: Final answer
   x = 704,579.91