Finding the Fourth Proportional to 55,429.57, 83,141.28 and 49,260.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,429.57 : 83,141.28 = 49,260.18 : x
2. Step 2: Convert to fraction form
   55,429.57/83,141.28 = 49,260.18/x
3. Step 3: Cross multiply
   55,429.57x = 83,141.28 × 49,260.18
4. Step 4: Simplify right side
   55,429.57x = 4,095,554,675.86
5. Step 5: Solve for x
   x = 4,095,554,675.86/55,429.57
6. Step 6: Final answer
   x = 73,887.54