Finding the Fourth Proportional to 36,005.72, 49,686.06 and 19,875.86

Step by Step Solution

1. Step 1: Write the proportion equation
   36,005.72 : 49,686.06 = 19,875.86 : x
2. Step 2: Convert to fraction form
   36,005.72/49,686.06 = 19,875.86/x
3. Step 3: Cross multiply
   36,005.72x = 49,686.06 × 19,875.86
4. Step 4: Simplify right side
   36,005.72x = 987,553,172.51
5. Step 5: Solve for x
   x = 987,553,172.51/36,005.72
6. Step 6: Final answer
   x = 27,427.67