Finding the Fourth Proportional to 60,045.39, 82,819.66 and 42,144.39

Step by Step Solution

1. Step 1: Write the proportion equation
   60,045.39 : 82,819.66 = 42,144.39 : x
2. Step 2: Convert to fraction form
   60,045.39/82,819.66 = 42,144.39/x
3. Step 3: Cross multiply
   60,045.39x = 82,819.66 × 42,144.39
4. Step 4: Simplify right side
   60,045.39x = 3,490,384,050.71
5. Step 5: Solve for x
   x = 3,490,384,050.71/60,045.39
6. Step 6: Final answer
   x = 58,129.09