Finding the Fourth Proportional to 627,947.34, 866,262.78 and 373,118.10

Step by Step Solution

1. Step 1: Write the proportion equation
   627,947.34 : 866,262.78 = 373,118.10 : x
2. Step 2: Convert to fraction form
   627,947.34/866,262.78 = 373,118.10/x
3. Step 3: Cross multiply
   627,947.34x = 866,262.78 × 373,118.10
4. Step 4: Simplify right side
   627,947.34x = 323,218,322,574.32
5. Step 5: Solve for x
   x = 323,218,322,574.32/627,947.34
6. Step 6: Final answer
   x = 514,722.02