Finding the Fourth Proportional to 674,498.32, 1,011,906.42 and 219,087.52

Step by Step Solution

1. Step 1: Write the proportion equation
   674,498.32 : 1,011,906.42 = 219,087.52 : x
2. Step 2: Convert to fraction form
   674,498.32/1,011,906.42 = 219,087.52/x
3. Step 3: Cross multiply
   674,498.32x = 1,011,906.42 × 219,087.52
4. Step 4: Simplify right side
   674,498.32x = 221,696,068,029.88
5. Step 5: Solve for x
   x = 221,696,068,029.88/674,498.32
6. Step 6: Final answer
   x = 328,682.91