Finding the Fourth Proportional to 90,051.10, 124,268.72 and 49,764

Step by Step Solution

1. Step 1: Write the proportion equation
   90,051.10 : 124,268.72 = 49,764 : x
2. Step 2: Convert to fraction form
   90,051.10/124,268.72 = 49,764/x
3. Step 3: Cross multiply
   90,051.10x = 124,268.72 × 49,764
4. Step 4: Simplify right side
   90,051.10x = 6,184,108,582.08
5. Step 5: Solve for x
   x = 6,184,108,582.08/90,051.10
6. Step 6: Final answer
   x = 68,673.33