Finding the Fourth Proportional to 55,902.78, 83,755.71 and 49,801.05

Step by Step Solution

1. Step 1: Write the proportion equation
   55,902.78 : 83,755.71 = 49,801.05 : x
2. Step 2: Convert to fraction form
   55,902.78/83,755.71 = 49,801.05/x
3. Step 3: Cross multiply
   55,902.78x = 83,755.71 × 49,801.05
4. Step 4: Simplify right side
   55,902.78x = 4,171,122,301.50
5. Step 5: Solve for x
   x = 4,171,122,301.50/55,902.78
6. Step 6: Final answer
   x = 74,613.86