Finding the Fourth Proportional to 89,136, 123,007.68 and 53,327.52

Step by Step Solution

1. Step 1: Write the proportion equation
   89,136 : 123,007.68 = 53,327.52 : x
2. Step 2: Convert to fraction form
   89,136/123,007.68 = 53,327.52/x
3. Step 3: Cross multiply
   89,136x = 123,007.68 × 53,327.52
4. Step 4: Simplify right side
   89,136x = 6,559,694,515.35
5. Step 5: Solve for x
   x = 6,559,694,515.35/89,136
6. Step 6: Final answer
   x = 73,591.98