Finding the Fourth Proportional to 85,445.86, 128,168.28 and 34,844.69

Step by Step Solution

1. Step 1: Write the proportion equation
   85,445.86 : 128,168.28 = 34,844.69 : x
2. Step 2: Convert to fraction form
   85,445.86/128,168.28 = 34,844.69/x
3. Step 3: Cross multiply
   85,445.86x = 128,168.28 × 34,844.69
4. Step 4: Simplify right side
   85,445.86x = 4,465,983,169.37
5. Step 5: Solve for x
   x = 4,465,983,169.37/85,445.86
6. Step 6: Final answer
   x = 52,266.82