Finding the Fourth Proportional to 103,401.82, 155,103.52 and 56,629.18

Step by Step Solution

1. Step 1: Write the proportion equation
   103,401.82 : 155,103.52 = 56,629.18 : x
2. Step 2: Convert to fraction form
   103,401.82/155,103.52 = 56,629.18/x
3. Step 3: Cross multiply
   103,401.82x = 155,103.52 × 56,629.18
4. Step 4: Simplify right side
   103,401.82x = 8,783,385,152.71
5. Step 5: Solve for x
   x = 8,783,385,152.71/103,401.82
6. Step 6: Final answer
   x = 84,944.20