Finding the Fourth Proportional to 103,629.18, 155,443.69 and 28,768.17

Step by Step Solution

1. Step 1: Write the proportion equation
   103,629.18 : 155,443.69 = 28,768.17 : x
2. Step 2: Convert to fraction form
   103,629.18/155,443.69 = 28,768.17/x
3. Step 3: Cross multiply
   103,629.18x = 155,443.69 × 28,768.17
4. Step 4: Simplify right side
   103,629.18x = 4,471,830,499.35
5. Step 5: Solve for x
   x = 4,471,830,499.35/103,629.18
6. Step 6: Final answer
   x = 43,152.23