Finding the Fourth Proportional to 71,870.74, 99,181.58 and 41,673.63

Step by Step Solution

1. Step 1: Write the proportion equation
   71,870.74 : 99,181.58 = 41,673.63 : x
2. Step 2: Convert to fraction form
   71,870.74/99,181.58 = 41,673.63/x
3. Step 3: Cross multiply
   71,870.74x = 99,181.58 × 41,673.63
4. Step 4: Simplify right side
   71,870.74x = 4,133,256,571.92
5. Step 5: Solve for x
   x = 4,133,256,571.92/71,870.74
6. Step 6: Final answer
   x = 57,509.59