Finding the Fourth Proportional to 1,056,993.30, 1,585,485.50 and 382,916.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,056,993.30 : 1,585,485.50 = 382,916.57 : x
2. Step 2: Convert to fraction form
   1,056,993.30/1,585,485.50 = 382,916.57/x
3. Step 3: Cross multiply
   1,056,993.30x = 1,585,485.50 × 382,916.57
4. Step 4: Simplify right side
   1,056,993.30x = 607,108,659,602.73
5. Step 5: Solve for x
   x = 607,108,659,602.73/1,056,993.30
6. Step 6: Final answer
   x = 574,373.23