Finding the Fourth Proportional to 69,463.72, 103,724.06 and 55,264.96

Step by Step Solution

1. Step 1: Write the proportion equation
   69,463.72 : 103,724.06 = 55,264.96 : x
2. Step 2: Convert to fraction form
   69,463.72/103,724.06 = 55,264.96/x
3. Step 3: Cross multiply
   69,463.72x = 103,724.06 × 55,264.96
4. Step 4: Simplify right side
   69,463.72x = 5,732,306,026.94
5. Step 5: Solve for x
   x = 5,732,306,026.94/69,463.72
6. Step 6: Final answer
   x = 82,522.30