Finding the Fourth Proportional to 49,267.72, 67,988.32 and 30,146.05

Step by Step Solution

1. Step 1: Write the proportion equation
   49,267.72 : 67,988.32 = 30,146.05 : x
2. Step 2: Convert to fraction form
   49,267.72/67,988.32 = 30,146.05/x
3. Step 3: Cross multiply
   49,267.72x = 67,988.32 × 30,146.05
4. Step 4: Simplify right side
   49,267.72x = 2,049,579,294.14
5. Step 5: Solve for x
   x = 2,049,579,294.14/49,267.72
6. Step 6: Final answer
   x = 41,600.86