Finding the Fourth Proportional to 85,826.39, 128,758.14 and 35,225.55

Step by Step Solution

1. Step 1: Write the proportion equation
   85,826.39 : 128,758.14 = 35,225.55 : x
2. Step 2: Convert to fraction form
   85,826.39/128,758.14 = 35,225.55/x
3. Step 3: Cross multiply
   85,826.39x = 128,758.14 × 35,225.55
4. Step 4: Simplify right side
   85,826.39x = 4,535,576,298.48
5. Step 5: Solve for x
   x = 4,535,576,298.48/85,826.39
6. Step 6: Final answer
   x = 52,845.94