Finding the Fourth Proportional to 103,618.18, 155,389.20 and 37,040.23

Step by Step Solution

1. Step 1: Write the proportion equation
   103,618.18 : 155,389.20 = 37,040.23 : x
2. Step 2: Convert to fraction form
   103,618.18/155,389.20 = 37,040.23/x
3. Step 3: Cross multiply
   103,618.18x = 155,389.20 × 37,040.23
4. Step 4: Simplify right side
   103,618.18x = 5,755,651,707.52
5. Step 5: Solve for x
   x = 5,755,651,707.52/103,618.18
6. Step 6: Final answer
   x = 55,546.74