Finding the Fourth Proportional to 245,003.59, 367,551.86 and 85,073.30

Step by Step Solution

1. Step 1: Write the proportion equation
   245,003.59 : 367,551.86 = 85,073.30 : x
2. Step 2: Convert to fraction form
   245,003.59/367,551.86 = 85,073.30/x
3. Step 3: Cross multiply
   245,003.59x = 367,551.86 × 85,073.30
4. Step 4: Simplify right side
   245,003.59x = 31,268,847,388.21
5. Step 5: Solve for x
   x = 31,268,847,388.21/245,003.59
6. Step 6: Final answer
   x = 127,626.08