Finding the Fourth Proportional to 89,849.44, 123,991.98 and 51,611.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,849.44 : 123,991.98 = 51,611.50 : x
2. Step 2: Convert to fraction form
   89,849.44/123,991.98 = 51,611.50/x
3. Step 3: Cross multiply
   89,849.44x = 123,991.98 × 51,611.50
4. Step 4: Simplify right side
   89,849.44x = 6,399,412,075.77
5. Step 5: Solve for x
   x = 6,399,412,075.77/89,849.44
6. Step 6: Final answer
   x = 71,223.73