Finding the Fourth Proportional to 1,062,938.10, 1,593,939.72 and 388,844.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062,938.10 : 1,593,939.72 = 388,844.58 : x
2. Step 2: Convert to fraction form
   1,062,938.10/1,593,939.72 = 388,844.58/x
3. Step 3: Cross multiply
   1,062,938.10x = 1,593,939.72 × 388,844.58
4. Step 4: Simplify right side
   1,062,938.10x = 619,794,820,968.72
5. Step 5: Solve for x
   x = 619,794,820,968.72/1,062,938.10
6. Step 6: Final answer
   x = 583,095.87