Finding the Fourth Proportional to 60,072.18, 90,049.42 and 33,430.88

Step by Step Solution

1. Step 1: Write the proportion equation
   60,072.18 : 90,049.42 = 33,430.88 : x
2. Step 2: Convert to fraction form
   60,072.18/90,049.42 = 33,430.88/x
3. Step 3: Cross multiply
   60,072.18x = 90,049.42 × 33,430.88
4. Step 4: Simplify right side
   60,072.18x = 3,010,431,114.47
5. Step 5: Solve for x
   x = 3,010,431,114.47/60,072.18
6. Step 6: Final answer
   x = 50,113.56