Finding the Fourth Proportional to 103,674.37, 155,492.71 and 28,775.69

Step by Step Solution

1. Step 1: Write the proportion equation
   103,674.37 : 155,492.71 = 28,775.69 : x
2. Step 2: Convert to fraction form
   103,674.37/155,492.71 = 28,775.69/x
3. Step 3: Cross multiply
   103,674.37x = 155,492.71 × 28,775.69
4. Step 4: Simplify right side
   103,674.37x = 4,474,410,020.22
5. Step 5: Solve for x
   x = 4,474,410,020.22/103,674.37
6. Step 6: Final answer
   x = 43,158.30