Finding the Fourth Proportional to 2,091,581.76, 2,886,382.86 and 1,186,163.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,091,581.76 : 2,886,382.86 = 1,186,163.76 : x
2. Step 2: Convert to fraction form
   2,091,581.76/2,886,382.86 = 1,186,163.76/x
3. Step 3: Cross multiply
   2,091,581.76x = 2,886,382.86 × 1,186,163.76
4. Step 4: Simplify right side
   2,091,581.76x = 3,423,722,746,017.15
5. Step 5: Solve for x
   x = 3,423,722,746,017.15/2,091,581.76
6. Step 6: Final answer
   x = 1,636,906.01