Finding the Fourth Proportional to 1,124,323, 1,683,782.17 and 643,091.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,124,323 : 1,683,782.17 = 643,091.88 : x
2. Step 2: Convert to fraction form
   1,124,323/1,683,782.17 = 643,091.88/x
3. Step 3: Cross multiply
   1,124,323x = 1,683,782.17 × 643,091.88
4. Step 4: Simplify right side
   1,124,323x = 1,082,826,641,215.78
5. Step 5: Solve for x
   x = 1,082,826,641,215.78/1,124,323
6. Step 6: Final answer
   x = 963,092.14