Finding the Fourth Proportional to 1,067,123.05, 1,600,566.64 and 268,404.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,067,123.05 : 1,600,566.64 = 268,404.91 : x
2. Step 2: Convert to fraction form
   1,067,123.05/1,600,566.64 = 268,404.91/x
3. Step 3: Cross multiply
   1,067,123.05x = 1,600,566.64 × 268,404.91
4. Step 4: Simplify right side
   1,067,123.05x = 429,599,940,285.77
5. Step 5: Solve for x
   x = 429,599,940,285.77/1,067,123.05
6. Step 6: Final answer
   x = 402,577.70