Finding the Fourth Proportional to 36,661.10, 50,580.72 and 21,548.93

Step by Step Solution

1. Step 1: Write the proportion equation
   36,661.10 : 50,580.72 = 21,548.93 : x
2. Step 2: Convert to fraction form
   36,661.10/50,580.72 = 21,548.93/x
3. Step 3: Cross multiply
   36,661.10x = 50,580.72 × 21,548.93
4. Step 4: Simplify right side
   36,661.10x = 1,089,960,141.73
5. Step 5: Solve for x
   x = 1,089,960,141.73/36,661.10
6. Step 6: Final answer
   x = 29,730.70