Finding the Fourth Proportional to 627,856.48, 941,763.57 and 272,870.52

Step by Step Solution

1. Step 1: Write the proportion equation
   627,856.48 : 941,763.57 = 272,870.52 : x
2. Step 2: Convert to fraction form
   627,856.48/941,763.57 = 272,870.52/x
3. Step 3: Cross multiply
   627,856.48x = 941,763.57 × 272,870.52
4. Step 4: Simplify right side
   627,856.48x = 256,979,515,062.96
5. Step 5: Solve for x
   x = 256,979,515,062.96/627,856.48
6. Step 6: Final answer
   x = 409,296.59