Finding the Fourth Proportional to 407,300.76, 610,705.56 and 182,620.56

Step by Step Solution

1. Step 1: Write the proportion equation
   407,300.76 : 610,705.56 = 182,620.56 : x
2. Step 2: Convert to fraction form
   407,300.76/610,705.56 = 182,620.56/x
3. Step 3: Cross multiply
   407,300.76x = 610,705.56 × 182,620.56
4. Step 4: Simplify right side
   407,300.76x = 111,527,391,362.31
5. Step 5: Solve for x
   x = 111,527,391,362.31/407,300.76
6. Step 6: Final answer
   x = 273,820.73