Finding the Fourth Proportional to 1,195,139.82, 1,648,567.71 and 711,381.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,195,139.82 : 1,648,567.71 = 711,381.90 : x
2. Step 2: Convert to fraction form
   1,195,139.82/1,648,567.71 = 711,381.90/x
3. Step 3: Cross multiply
   1,195,139.82x = 1,648,567.71 × 711,381.90
4. Step 4: Simplify right side
   1,195,139.82x = 1,172,761,229,818.45
5. Step 5: Solve for x
   x = 1,172,761,229,818.45/1,195,139.82
6. Step 6: Final answer
   x = 981,275.34