Finding the Fourth Proportional to 134,560.72, 201,864.84 and 55,630.72

Step by Step Solution

1. Step 1: Write the proportion equation
   134,560.72 : 201,864.84 = 55,630.72 : x
2. Step 2: Convert to fraction form
   134,560.72/201,864.84 = 55,630.72/x
3. Step 3: Cross multiply
   134,560.72x = 201,864.84 × 55,630.72
4. Step 4: Simplify right side
   134,560.72x = 11,229,886,391.88
5. Step 5: Solve for x
   x = 11,229,886,391.88/134,560.72
6. Step 6: Final answer
   x = 83,455.90