Finding the Fourth Proportional to 89,030.73, 133,560.69 and 42,267.81

Step by Step Solution

1. Step 1: Write the proportion equation
   89,030.73 : 133,560.69 = 42,267.81 : x
2. Step 2: Convert to fraction form
   89,030.73/133,560.69 = 42,267.81/x
3. Step 3: Cross multiply
   89,030.73x = 133,560.69 × 42,267.81
4. Step 4: Simplify right side
   89,030.73x = 5,645,317,868.39
5. Step 5: Solve for x
   x = 5,645,317,868.39/89,030.73
6. Step 6: Final answer
   x = 63,408.64