Finding the Fourth Proportional to 36,142.52, 49,875.12 and 19,789.64

Step by Step Solution

1. Step 1: Write the proportion equation
   36,142.52 : 49,875.12 = 19,789.64 : x
2. Step 2: Convert to fraction form
   36,142.52/49,875.12 = 19,789.64/x
3. Step 3: Cross multiply
   36,142.52x = 49,875.12 × 19,789.64
4. Step 4: Simplify right side
   36,142.52x = 987,010,669.76
5. Step 5: Solve for x
   x = 987,010,669.76/36,142.52
6. Step 6: Final answer
   x = 27,308.85