Finding the Fourth Proportional to 1,321,090.82, 1,981,625.64 and 785,061.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321,090.82 : 1,981,625.64 = 785,061.98 : x
2. Step 2: Convert to fraction form
   1,321,090.82/1,981,625.64 = 785,061.98/x
3. Step 3: Cross multiply
   1,321,090.82x = 1,981,625.64 × 785,061.98
4. Step 4: Simplify right side
   1,321,090.82x = 1,555,698,948,557.17
5. Step 5: Solve for x
   x = 1,555,698,948,557.17/1,321,090.82
6. Step 6: Final answer
   x = 1,177,586.68