Finding the Fourth Proportional to 1,146,091.46, 1,581,606.54 and 636,793.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146,091.46 : 1,581,606.54 = 636,793.83 : x
2. Step 2: Convert to fraction form
   1,146,091.46/1,581,606.54 = 636,793.83/x
3. Step 3: Cross multiply
   1,146,091.46x = 1,581,606.54 × 636,793.83
4. Step 4: Simplify right side
   1,146,091.46x = 1,007,157,286,159.65
5. Step 5: Solve for x
   x = 1,007,157,286,159.65/1,146,091.46
6. Step 6: Final answer
   x = 878,775.67