Finding the Fourth Proportional to 28,343.48, 42,469.14 and 16,667.32

Step by Step Solution

1. Step 1: Write the proportion equation
   28,343.48 : 42,469.14 = 16,667.32 : x
2. Step 2: Convert to fraction form
   28,343.48/42,469.14 = 16,667.32/x
3. Step 3: Cross multiply
   28,343.48x = 42,469.14 × 16,667.32
4. Step 4: Simplify right side
   28,343.48x = 707,846,746.50
5. Step 5: Solve for x
   x = 707,846,746.50/28,343.48
6. Step 6: Final answer
   x = 24,973.88