Finding the Fourth Proportional to 109,637.72, 164,404.72 and 50,455.88

Step by Step Solution

1. Step 1: Write the proportion equation
   109,637.72 : 164,404.72 = 50,455.88 : x
2. Step 2: Convert to fraction form
   109,637.72/164,404.72 = 50,455.88/x
3. Step 3: Cross multiply
   109,637.72x = 164,404.72 × 50,455.88
4. Step 4: Simplify right side
   109,637.72x = 8,295,184,823.75
5. Step 5: Solve for x
   x = 8,295,184,823.75/109,637.72
6. Step 6: Final answer
   x = 75,659.95