Finding the Fourth Proportional to 103,628.10, 155,442.15 and 37,100.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,628.10 : 155,442.15 = 37,100.10 : x
2. Step 2: Convert to fraction form
   103,628.10/155,442.15 = 37,100.10/x
3. Step 3: Cross multiply
   103,628.10x = 155,442.15 × 37,100.10
4. Step 4: Simplify right side
   103,628.10x = 5,766,919,309.22
5. Step 5: Solve for x
   x = 5,766,919,309.22/103,628.10
6. Step 6: Final answer
   x = 55,650.15