Finding the Fourth Proportional to 458,086.83, 632,176.71 and 276,763.72

Step by Step Solution

1. Step 1: Write the proportion equation
   458,086.83 : 632,176.71 = 276,763.72 : x
2. Step 2: Convert to fraction form
   458,086.83/632,176.71 = 276,763.72/x
3. Step 3: Cross multiply
   458,086.83x = 632,176.71 × 276,763.72
4. Step 4: Simplify right side
   458,086.83x = 174,963,577,956.96
5. Step 5: Solve for x
   x = 174,963,577,956.96/458,086.83
6. Step 6: Final answer
   x = 381,944.14