Finding the Fourth Proportional to 85,086.64, 127,638.69 and 32,540.32

Step by Step Solution

1. Step 1: Write the proportion equation
   85,086.64 : 127,638.69 = 32,540.32 : x
2. Step 2: Convert to fraction form
   85,086.64/127,638.69 = 32,540.32/x
3. Step 3: Cross multiply
   85,086.64x = 127,638.69 × 32,540.32
4. Step 4: Simplify right side
   85,086.64x = 4,153,403,816.98
5. Step 5: Solve for x
   x = 4,153,403,816.98/85,086.64
6. Step 6: Final answer
   x = 48,813.82