Finding the Fourth Proportional to 89,531.82, 123,553.83 and 51,303.78

Step by Step Solution

1. Step 1: Write the proportion equation
   89,531.82 : 123,553.83 = 51,303.78 : x
2. Step 2: Convert to fraction form
   89,531.82/123,553.83 = 51,303.78/x
3. Step 3: Cross multiply
   89,531.82x = 123,553.83 × 51,303.78
4. Step 4: Simplify right side
   89,531.82x = 6,338,778,512.48
5. Step 5: Solve for x
   x = 6,338,778,512.48/89,531.82
6. Step 6: Final answer
   x = 70,799.17