Finding the Fourth Proportional to 51,784.16, 71,506.98 and 49,127

Step by Step Solution

1. Step 1: Write the proportion equation
   51,784.16 : 71,506.98 = 49,127 : x
2. Step 2: Convert to fraction form
   51,784.16/71,506.98 = 49,127/x
3. Step 3: Cross multiply
   51,784.16x = 71,506.98 × 49,127
4. Step 4: Simplify right side
   51,784.16x = 3,512,923,406.46
5. Step 5: Solve for x
   x = 3,512,923,406.46/51,784.16
6. Step 6: Final answer
   x = 67,837.80