Finding the Fourth Proportional to 810,155.50, 1,118,014.62 and 452,459.50

Step by Step Solution

1. Step 1: Write the proportion equation
   810,155.50 : 1,118,014.62 = 452,459.50 : x
2. Step 2: Convert to fraction form
   810,155.50/1,118,014.62 = 452,459.50/x
3. Step 3: Cross multiply
   810,155.50x = 1,118,014.62 × 452,459.50
4. Step 4: Simplify right side
   810,155.50x = 505,856,335,957.89
5. Step 5: Solve for x
   x = 505,856,335,957.89/810,155.50
6. Step 6: Final answer
   x = 624,394.13