Finding the Fourth Proportional to 2,151,071.16, 3,228,601.76 and 1,086,860.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151,071.16 : 3,228,601.76 = 1,086,860.56 : x
2. Step 2: Convert to fraction form
   2,151,071.16/3,228,601.76 = 1,086,860.56/x
3. Step 3: Cross multiply
   2,151,071.16x = 3,228,601.76 × 1,086,860.56
4. Step 4: Simplify right side
   2,151,071.16x = 3,509,039,916,890.59
5. Step 5: Solve for x
   x = 3,509,039,916,890.59/2,151,071.16
6. Step 6: Final answer
   x = 1,631,298.85