Finding the Fourth Proportional to 60,072.19, 82,919.29 and 42,171.59

Step by Step Solution

1. Step 1: Write the proportion equation
   60,072.19 : 82,919.29 = 42,171.59 : x
2. Step 2: Convert to fraction form
   60,072.19/82,919.29 = 42,171.59/x
3. Step 3: Cross multiply
   60,072.19x = 82,919.29 × 42,171.59
4. Step 4: Simplify right side
   60,072.19x = 3,496,838,300.97
5. Step 5: Solve for x
   x = 3,496,838,300.97/60,072.19
6. Step 6: Final answer
   x = 58,210.60