Finding the Fourth Proportional to 1,186,116.86, 1,636,958.50 and 676,895.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,186,116.86 : 1,636,958.50 = 676,895.78 : x
2. Step 2: Convert to fraction form
   1,186,116.86/1,636,958.50 = 676,895.78/x
3. Step 3: Cross multiply
   1,186,116.86x = 1,636,958.50 × 676,895.78
4. Step 4: Simplify right side
   1,186,116.86x = 1,108,050,300,685.13
5. Step 5: Solve for x
   x = 1,108,050,300,685.13/1,186,116.86
6. Step 6: Final answer
   x = 934,183.08