Finding the Fourth Proportional to 71,019.18, 106,427.25 and 52,151.19

Step by Step Solution

1. Step 1: Write the proportion equation
   71,019.18 : 106,427.25 = 52,151.19 : x
2. Step 2: Convert to fraction form
   71,019.18/106,427.25 = 52,151.19/x
3. Step 3: Cross multiply
   71,019.18x = 106,427.25 × 52,151.19
4. Step 4: Simplify right side
   71,019.18x = 5,550,307,735.93
5. Step 5: Solve for x
   x = 5,550,307,735.93/71,019.18
6. Step 6: Final answer
   x = 78,152.24