Finding the Fourth Proportional to 388,103.35, 582,114.06 and 103,822.57

Step by Step Solution

1. Step 1: Write the proportion equation
   388,103.35 : 582,114.06 = 103,822.57 : x
2. Step 2: Convert to fraction form
   388,103.35/582,114.06 = 103,822.57/x
3. Step 3: Cross multiply
   388,103.35x = 582,114.06 × 103,822.57
4. Step 4: Simplify right side
   388,103.35x = 60,436,577,742.33
5. Step 5: Solve for x
   x = 60,436,577,742.33/388,103.35
6. Step 6: Final answer
   x = 155,722.90