Finding the Fourth Proportional to 60,073.56, 82,921.20 and 42,172.98

Step by Step Solution

1. Step 1: Write the proportion equation
   60,073.56 : 82,921.20 = 42,172.98 : x
2. Step 2: Convert to fraction form
   60,073.56/82,921.20 = 42,172.98/x
3. Step 3: Cross multiply
   60,073.56x = 82,921.20 × 42,172.98
4. Step 4: Simplify right side
   60,073.56x = 3,497,034,109.18
5. Step 5: Solve for x
   x = 3,497,034,109.18/60,073.56
6. Step 6: Final answer
   x = 58,212.53