Finding the Fourth Proportional to 89,194,185.09, 123,060,390.12 and 51,998,136.48

Step by Step Solution

1. Step 1: Write the proportion equation
   89,194,185.09 : 123,060,390.12 = 51,998,136.48 : x
2. Step 2: Convert to fraction form
   89,194,185.09/123,060,390.12 = 51,998,136.48/x
3. Step 3: Cross multiply
   89,194,185.09x = 123,060,390.12 × 51,998,136.48
4. Step 4: Simplify right side
   89,194,185.09x = 6,398,910,960,741,803
5. Step 5: Solve for x
   x = 6,398,910,960,741,803/89,194,185.09
6. Step 6: Final answer
   x = 71,741,346.75