Finding the Fourth Proportional to 108,147.88, 162,119.76 and 52,019.76

Step by Step Solution

1. Step 1: Write the proportion equation
   108,147.88 : 162,119.76 = 52,019.76 : x
2. Step 2: Convert to fraction form
   108,147.88/162,119.76 = 52,019.76/x
3. Step 3: Cross multiply
   108,147.88x = 162,119.76 × 52,019.76
4. Step 4: Simplify right side
   108,147.88x = 8,433,431,006.46
5. Step 5: Solve for x
   x = 8,433,431,006.46/108,147.88
6. Step 6: Final answer
   x = 77,980.55