Finding the Fourth Proportional to 72,485.18, 108,726.32 and 41,253.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,485.18 : 108,726.32 = 41,253.50 : x
2. Step 2: Convert to fraction form
   72,485.18/108,726.32 = 41,253.50/x
3. Step 3: Cross multiply
   72,485.18x = 108,726.32 × 41,253.50
4. Step 4: Simplify right side
   72,485.18x = 4,485,341,242.12
5. Step 5: Solve for x
   x = 4,485,341,242.12/72,485.18
6. Step 6: Final answer
   x = 61,879.42