Finding the Fourth Proportional to 1,185,826.32, 1,636,432.82 and 641,958.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,826.32 : 1,636,432.82 = 641,958.14 : x
2. Step 2: Convert to fraction form
   1,185,826.32/1,636,432.82 = 641,958.14/x
3. Step 3: Cross multiply
   1,185,826.32x = 1,636,432.82 × 641,958.14
4. Step 4: Simplify right side
   1,185,826.32x = 1,050,521,369,362.15
5. Step 5: Solve for x
   x = 1,050,521,369,362.15/1,185,826.32
6. Step 6: Final answer
   x = 885,898.17