Finding the Fourth Proportional to 627,855.60, 941,762.58 and 272,870.04

Step by Step Solution

1. Step 1: Write the proportion equation
   627,855.60 : 941,762.58 = 272,870.04 : x
2. Step 2: Convert to fraction form
   627,855.60/941,762.58 = 272,870.04/x
3. Step 3: Cross multiply
   627,855.60x = 941,762.58 × 272,870.04
4. Step 4: Simplify right side
   627,855.60x = 256,978,792,875.10
5. Step 5: Solve for x
   x = 256,978,792,875.10/627,855.60
6. Step 6: Final answer
   x = 409,296.01