Finding the Fourth Proportional to 71,430.03, 107,162.91 and 50,411.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,430.03 : 107,162.91 = 50,411.10 : x
2. Step 2: Convert to fraction form
   71,430.03/107,162.91 = 50,411.10/x
3. Step 3: Cross multiply
   71,430.03x = 107,162.91 × 50,411.10
4. Step 4: Simplify right side
   71,430.03x = 5,402,200,172.30
5. Step 5: Solve for x
   x = 5,402,200,172.30/71,430.03
6. Step 6: Final answer
   x = 75,629.26