Finding the Fourth Proportional to 627,333.72, 940,471.59 and 272,080.17

Step by Step Solution

1. Step 1: Write the proportion equation
   627,333.72 : 940,471.59 = 272,080.17 : x
2. Step 2: Convert to fraction form
   627,333.72/940,471.59 = 272,080.17/x
3. Step 3: Cross multiply
   627,333.72x = 940,471.59 × 272,080.17
4. Step 4: Simplify right side
   627,333.72x = 255,883,670,087.37
5. Step 5: Solve for x
   x = 255,883,670,087.37/627,333.72
6. Step 6: Final answer
   x = 407,890.83