Finding the Fourth Proportional to 20,667.47, 28,532.00 and 16,589.93

Step by Step Solution

1. Step 1: Write the proportion equation
   20,667.47 : 28,532.00 = 16,589.93 : x
2. Step 2: Convert to fraction form
   20,667.47/28,532.00 = 16,589.93/x
3. Step 3: Cross multiply
   20,667.47x = 28,532.00 × 16,589.93
4. Step 4: Simplify right side
   20,667.47x = 473,343,799.81
5. Step 5: Solve for x
   x = 473,343,799.81/20,667.47
6. Step 6: Final answer
   x = 22,902.84