Finding the Fourth Proportional to 89,063.73, 133,610.18 and 42,300.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,063.73 : 133,610.18 = 42,300.81 : x
2. Step 2: Convert to fraction form
   89,063.73/133,610.18 = 42,300.81/x
3. Step 3: Cross multiply
   89,063.73x = 133,610.18 × 42,300.81
4. Step 4: Simplify right side
   89,063.73x = 5,651,818,626.74
5. Step 5: Solve for x
   x = 5,651,818,626.74/89,063.73
6. Step 6: Final answer
   x = 63,458.14