Finding the Fourth Proportional to 69,467.76, 103,730.06 and 55,268.96

Step by Step Solution

1. Step 1: Write the proportion equation
   69,467.76 : 103,730.06 = 55,268.96 : x
2. Step 2: Convert to fraction form
   69,467.76/103,730.06 = 55,268.96/x
3. Step 3: Cross multiply
   69,467.76x = 103,730.06 × 55,268.96
4. Step 4: Simplify right side
   69,467.76x = 5,733,052,536.94
5. Step 5: Solve for x
   x = 5,733,052,536.94/69,467.76
6. Step 6: Final answer
   x = 82,528.25