Finding the Fourth Proportional to 85,598.83, 128,328.68 and 35,716.10

Step by Step Solution

1. Step 1: Write the proportion equation
   85,598.83 : 128,328.68 = 35,716.10 : x
2. Step 2: Convert to fraction form
   85,598.83/128,328.68 = 35,716.10/x
3. Step 3: Cross multiply
   85,598.83x = 128,328.68 × 35,716.10
4. Step 4: Simplify right side
   85,598.83x = 4,583,399,967.75
5. Step 5: Solve for x
   x = 4,583,399,967.75/85,598.83
6. Step 6: Final answer
   x = 53,545.12