Finding the Fourth Proportional to 16,415.87, 24,620.20 and 4,726.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,415.87 : 24,620.20 = 4,726.55 : x
2. Step 2: Convert to fraction form
   16,415.87/24,620.20 = 4,726.55/x
3. Step 3: Cross multiply
   16,415.87x = 24,620.20 × 4,726.55
4. Step 4: Simplify right side
   16,415.87x = 116,368,606.31
5. Step 5: Solve for x
   x = 116,368,606.31/16,415.87
6. Step 6: Final answer
   x = 7,088.79