Finding the Fourth Proportional to 112,839.72, 169,262.90 and 49,627.05

Step by Step Solution

1. Step 1: Write the proportion equation
   112,839.72 : 169,262.90 = 49,627.05 : x
2. Step 2: Convert to fraction form
   112,839.72/169,262.90 = 49,627.05/x
3. Step 3: Cross multiply
   112,839.72x = 169,262.90 × 49,627.05
4. Step 4: Simplify right side
   112,839.72x = 8,400,018,153.31
5. Step 5: Solve for x
   x = 8,400,018,153.31/112,839.72
6. Step 6: Final answer
   x = 74,442.03