Finding the Fourth Proportional to 33,510.72, 50,246.87 and 13,773

Step by Step Solution

1. Step 1: Write the proportion equation
   33,510.72 : 50,246.87 = 13,773 : x
2. Step 2: Convert to fraction form
   33,510.72/50,246.87 = 13,773/x
3. Step 3: Cross multiply
   33,510.72x = 50,246.87 × 13,773
4. Step 4: Simplify right side
   33,510.72x = 692,050,071.65
5. Step 5: Solve for x
   x = 692,050,071.65/33,510.72
6. Step 6: Final answer
   x = 20,651.60