Finding the Fourth Proportional to 69,468.76, 103,731.55 and 55,269.96

Step by Step Solution

1. Step 1: Write the proportion equation
   69,468.76 : 103,731.55 = 55,269.96 : x
2. Step 2: Convert to fraction form
   69,468.76/103,731.55 = 55,269.96/x
3. Step 3: Cross multiply
   69,468.76x = 103,731.55 × 55,269.96
4. Step 4: Simplify right side
   69,468.76x = 5,733,238,619.24
5. Step 5: Solve for x
   x = 5,733,238,619.24/69,468.76
6. Step 6: Final answer
   x = 82,529.74