Finding the Fourth Proportional to 81,767.27, 112,883.61 and 49,507.67

Step by Step Solution

1. Step 1: Write the proportion equation
   81,767.27 : 112,883.61 = 49,507.67 : x
2. Step 2: Convert to fraction form
   81,767.27/112,883.61 = 49,507.67/x
3. Step 3: Cross multiply
   81,767.27x = 112,883.61 × 49,507.67
4. Step 4: Simplify right side
   81,767.27x = 5,588,603,947.87
5. Step 5: Solve for x
   x = 5,588,603,947.87/81,767.27
6. Step 6: Final answer
   x = 68,347.69