Finding the Fourth Proportional to 127,256.27, 175,621.77 and 70,667.64

Step by Step Solution

1. Step 1: Write the proportion equation
   127,256.27 : 175,621.77 = 70,667.64 : x
2. Step 2: Convert to fraction form
   127,256.27/175,621.77 = 70,667.64/x
3. Step 3: Cross multiply
   127,256.27x = 175,621.77 × 70,667.64
4. Step 4: Simplify right side
   127,256.27x = 12,410,776,018.52
5. Step 5: Solve for x
   x = 12,410,776,018.52/127,256.27
6. Step 6: Final answer
   x = 97,525.85