Finding the Fourth Proportional to 85,091.72, 127,621.10 and 32,488.70

Step by Step Solution

1. Step 1: Write the proportion equation
   85,091.72 : 127,621.10 = 32,488.70 : x
2. Step 2: Convert to fraction form
   85,091.72/127,621.10 = 32,488.70/x
3. Step 3: Cross multiply
   85,091.72x = 127,621.10 × 32,488.70
4. Step 4: Simplify right side
   85,091.72x = 4,146,243,074.69
5. Step 5: Solve for x
   x = 4,146,243,074.69/85,091.72
6. Step 6: Final answer
   x = 48,726.75