Finding the Fourth Proportional to 956,744.10, 1,435,116.15 and 388,124.10

Step by Step Solution

1. Step 1: Write the proportion equation
   956,744.10 : 1,435,116.15 = 388,124.10 : x
2. Step 2: Convert to fraction form
   956,744.10/1,435,116.15 = 388,124.10/x
3. Step 3: Cross multiply
   956,744.10x = 1,435,116.15 × 388,124.10
4. Step 4: Simplify right side
   956,744.10x = 557,003,164,114.22
5. Step 5: Solve for x
   x = 557,003,164,114.22/956,744.10
6. Step 6: Final answer
   x = 582,186.15