Finding the Fourth Proportional to 73,870.18, 101,940.69 and 40,336.18

Step by Step Solution

1. Step 1: Write the proportion equation
   73,870.18 : 101,940.69 = 40,336.18 : x
2. Step 2: Convert to fraction form
   73,870.18/101,940.69 = 40,336.18/x
3. Step 3: Cross multiply
   73,870.18x = 101,940.69 × 40,336.18
4. Step 4: Simplify right side
   73,870.18x = 4,111,898,021.16
5. Step 5: Solve for x
   x = 4,111,898,021.16/73,870.18
6. Step 6: Final answer
   x = 55,663.84