Finding the Fourth Proportional to 71,823.36, 99,071.33 and 51,648.28

Step by Step Solution

1. Step 1: Write the proportion equation
   71,823.36 : 99,071.33 = 51,648.28 : x
2. Step 2: Convert to fraction form
   71,823.36/99,071.33 = 51,648.28/x
3. Step 3: Cross multiply
   71,823.36x = 99,071.33 × 51,648.28
4. Step 4: Simplify right side
   71,823.36x = 5,116,863,988.43
5. Step 5: Solve for x
   x = 5,116,863,988.43/71,823.36
6. Step 6: Final answer
   x = 71,242.34