Finding the Fourth Proportional to 71,933.07, 99,271.98 and 40,101.87

Step by Step Solution

1. Step 1: Write the proportion equation
   71,933.07 : 99,271.98 = 40,101.87 : x
2. Step 2: Convert to fraction form
   71,933.07/99,271.98 = 40,101.87/x
3. Step 3: Cross multiply
   71,933.07x = 99,271.98 × 40,101.87
4. Step 4: Simplify right side
   71,933.07x = 3,980,992,036.60
5. Step 5: Solve for x
   x = 3,980,992,036.60/71,933.07
6. Step 6: Final answer
   x = 55,343.00