Finding the Fourth Proportional to 769,993.89, 1,062,598.61 and 425,812.03

Step by Step Solution

1. Step 1: Write the proportion equation
   769,993.89 : 1,062,598.61 = 425,812.03 : x
2. Step 2: Convert to fraction form
   769,993.89/1,062,598.61 = 425,812.03/x
3. Step 3: Cross multiply
   769,993.89x = 1,062,598.61 × 425,812.03
4. Step 4: Simplify right side
   769,993.89x = 452,467,271,199.28
5. Step 5: Solve for x
   x = 452,467,271,199.28/769,993.89
6. Step 6: Final answer
   x = 587,624.50