Finding the Fourth Proportional to 85,809.30, 128,700.18 and 23,465.22

Step by Step Solution

1. Step 1: Write the proportion equation
   85,809.30 : 128,700.18 = 23,465.22 : x
2. Step 2: Convert to fraction form
   85,809.30/128,700.18 = 23,465.22/x
3. Step 3: Cross multiply
   85,809.30x = 128,700.18 × 23,465.22
4. Step 4: Simplify right side
   85,809.30x = 3,019,978,037.74
5. Step 5: Solve for x
   x = 3,019,978,037.74/85,809.30
6. Step 6: Final answer
   x = 35,194.06