Finding the Fourth Proportional to 78,826.64, 108,745.98 and 53,323.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,826.64 : 108,745.98 = 53,323.88 : x
2. Step 2: Convert to fraction form
   78,826.64/108,745.98 = 53,323.88/x
3. Step 3: Cross multiply
   78,826.64x = 108,745.98 × 53,323.88
4. Step 4: Simplify right side
   78,826.64x = 5,798,757,588.00
5. Step 5: Solve for x
   x = 5,798,757,588.00/78,826.64
6. Step 6: Final answer
   x = 73,563.42