Finding the Fourth Proportional to 627,364.82, 940,518.18 and 272,111.27

Step by Step Solution

1. Step 1: Write the proportion equation
   627,364.82 : 940,518.18 = 272,111.27 : x
2. Step 2: Convert to fraction form
   627,364.82/940,518.18 = 272,111.27/x
3. Step 3: Cross multiply
   627,364.82x = 940,518.18 × 272,111.27
4. Step 4: Simplify right side
   627,364.82x = 255,925,591,715.30
5. Step 5: Solve for x
   x = 255,925,591,715.30/627,364.82
6. Step 6: Final answer
   x = 407,937.43