Finding the Fourth Proportional to 85,793.59, 128,646.51 and 35,860.06

Step by Step Solution

1. Step 1: Write the proportion equation
   85,793.59 : 128,646.51 = 35,860.06 : x
2. Step 2: Convert to fraction form
   85,793.59/128,646.51 = 35,860.06/x
3. Step 3: Cross multiply
   85,793.59x = 128,646.51 × 35,860.06
4. Step 4: Simplify right side
   85,793.59x = 4,613,271,567.39
5. Step 5: Solve for x
   x = 4,613,271,567.39/85,793.59
6. Step 6: Final answer
   x = 53,771.75