Finding the Fourth Proportional to 89,045.61, 133,582.99 and 42,282.69

Step by Step Solution

1. Step 1: Write the proportion equation
   89,045.61 : 133,582.99 = 42,282.69 : x
2. Step 2: Convert to fraction form
   89,045.61/133,582.99 = 42,282.69/x
3. Step 3: Cross multiply
   89,045.61x = 133,582.99 × 42,282.69
4. Step 4: Simplify right side
   89,045.61x = 5,648,248,155.44
5. Step 5: Solve for x
   x = 5,648,248,155.44/89,045.61
6. Step 6: Final answer
   x = 63,430.96