Finding the Fourth Proportional to 87,548.16, 120,786.72 and 49,301.76

Step by Step Solution

1. Step 1: Write the proportion equation
   87,548.16 : 120,786.72 = 49,301.76 : x
2. Step 2: Convert to fraction form
   87,548.16/120,786.72 = 49,301.76/x
3. Step 3: Cross multiply
   87,548.16x = 120,786.72 × 49,301.76
4. Step 4: Simplify right side
   87,548.16x = 5,954,997,880.63
5. Step 5: Solve for x
   x = 5,954,997,880.63/87,548.16
6. Step 6: Final answer
   x = 68,019.68