Finding the Fourth Proportional to 85,751.89, 128,627.83 and 35,804.79

Step by Step Solution

1. Step 1: Write the proportion equation
   85,751.89 : 128,627.83 = 35,804.79 : x
2. Step 2: Convert to fraction form
   85,751.89/128,627.83 = 35,804.79/x
3. Step 3: Cross multiply
   85,751.89x = 128,627.83 × 35,804.79
4. Step 4: Simplify right side
   85,751.89x = 4,605,492,441.31
5. Step 5: Solve for x
   x = 4,605,492,441.31/85,751.89
6. Step 6: Final answer
   x = 53,707.18