Finding the Fourth Proportional to 1,131,659.46, 1,561,708.98 and 648,266.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,659.46 : 1,561,708.98 = 648,266.76 : x
2. Step 2: Convert to fraction form
   1,131,659.46/1,561,708.98 = 648,266.76/x
3. Step 3: Cross multiply
   1,131,659.46x = 1,561,708.98 × 648,266.76
4. Step 4: Simplify right side
   1,131,659.46x = 1,012,404,020,527.50
5. Step 5: Solve for x
   x = 1,012,404,020,527.50/1,131,659.46
6. Step 6: Final answer
   x = 894,618.97