Finding the Fourth Proportional to 89,136.61, 123,008.69 and 48,851.87

Step by Step Solution

1. Step 1: Write the proportion equation
   89,136.61 : 123,008.69 = 48,851.87 : x
2. Step 2: Convert to fraction form
   89,136.61/123,008.69 = 48,851.87/x
3. Step 3: Cross multiply
   89,136.61x = 123,008.69 × 48,851.87
4. Step 4: Simplify right side
   89,136.61x = 6,009,204,039.84
5. Step 5: Solve for x
   x = 6,009,204,039.84/89,136.61
6. Step 6: Final answer
   x = 67,415.67