Finding the Fourth Proportional to 1,906,780.56, 2,631,815.46 and 1,091,456.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906,780.56 : 2,631,815.46 = 1,091,456.88 : x
2. Step 2: Convert to fraction form
   1,906,780.56/2,631,815.46 = 1,091,456.88/x
3. Step 3: Cross multiply
   1,906,780.56x = 2,631,815.46 × 1,091,456.88
4. Step 4: Simplify right side
   1,906,780.56x = 2,872,513,090,707.36
5. Step 5: Solve for x
   x = 2,872,513,090,707.36/1,906,780.56
6. Step 6: Final answer
   x = 1,506,472.82