Finding the Fourth Proportional to 89,350.17, 123,173.00 and 63,811.49

Step by Step Solution

1. Step 1: Write the proportion equation
   89,350.17 : 123,173.00 = 63,811.49 : x
2. Step 2: Convert to fraction form
   89,350.17/123,173.00 = 63,811.49/x
3. Step 3: Cross multiply
   89,350.17x = 123,173.00 × 63,811.49
4. Step 4: Simplify right side
   89,350.17x = 7,859,851,722.85
5. Step 5: Solve for x
   x = 7,859,851,722.85/89,350.17
6. Step 6: Final answer
   x = 87,966.84