Finding the Fourth Proportional to 71,844.00, 99,147.78 and 40,012.89

Step by Step Solution

1. Step 1: Write the proportion equation
   71,844.00 : 99,147.78 = 40,012.89 : x
2. Step 2: Convert to fraction form
   71,844.00/99,147.78 = 40,012.89/x
3. Step 3: Cross multiply
   71,844.00x = 99,147.78 × 40,012.89
4. Step 4: Simplify right side
   71,844.00x = 3,967,189,014.82
5. Step 5: Solve for x
   x = 3,967,189,014.82/71,844.00
6. Step 6: Final answer
   x = 55,219.49