Finding the Fourth Proportional to 52,152, 77,557.10 and 50,491.31

Step by Step Solution

1. Step 1: Write the proportion equation
   52,152 : 77,557.10 = 50,491.31 : x
2. Step 2: Convert to fraction form
   52,152/77,557.10 = 50,491.31/x
3. Step 3: Cross multiply
   52,152x = 77,557.10 × 50,491.31
4. Step 4: Simplify right side
   52,152x = 3,915,958,938.56
5. Step 5: Solve for x
   x = 3,915,958,938.56/52,152
6. Step 6: Final answer
   x = 75,087.42