Finding the Fourth Proportional to 49,762, 74,643.27 and 12,826

Step by Step Solution

1. Step 1: Write the proportion equation
   49,762 : 74,643.27 = 12,826 : x
2. Step 2: Convert to fraction form
   49,762/74,643.27 = 12,826/x
3. Step 3: Cross multiply
   49,762x = 74,643.27 × 12,826
4. Step 4: Simplify right side
   49,762x = 957,374,581.02
5. Step 5: Solve for x
   x = 957,374,581.02/49,762
6. Step 6: Final answer
   x = 19,239.07