Finding the Fourth Proportional to 417,483.76, 576,128.84 and 226,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   417,483.76 : 576,128.84 = 226,498.72 : x
2. Step 2: Convert to fraction form
   417,483.76/576,128.84 = 226,498.72/x
3. Step 3: Cross multiply
   417,483.76x = 576,128.84 × 226,498.72
4. Step 4: Simplify right side
   417,483.76x = 130,492,444,815.09
5. Step 5: Solve for x
   x = 130,492,444,815.09/417,483.76
6. Step 6: Final answer
   x = 312,568.91