Finding the Fourth Proportional to 1,008,047.34, 1,511,832.15 and 288,366.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,008,047.34 : 1,511,832.15 = 288,366.86 : x
2. Step 2: Convert to fraction form
   1,008,047.34/1,511,832.15 = 288,366.86/x
3. Step 3: Cross multiply
   1,008,047.34x = 1,511,832.15 × 288,366.86
4. Step 4: Simplify right side
   1,008,047.34x = 435,962,282,383.39
5. Step 5: Solve for x
   x = 435,962,282,383.39/1,008,047.34
6. Step 6: Final answer
   x = 432,481.95