Finding the Fourth Proportional to 16,731.90, 25,100.16 and 5,641.76

Step by Step Solution

1. Step 1: Write the proportion equation
   16,731.90 : 25,100.16 = 5,641.76 : x
2. Step 2: Convert to fraction form
   16,731.90/25,100.16 = 5,641.76/x
3. Step 3: Cross multiply
   16,731.90x = 25,100.16 × 5,641.76
4. Step 4: Simplify right side
   16,731.90x = 141,608,953.18
5. Step 5: Solve for x
   x = 141,608,953.18/16,731.90
6. Step 6: Final answer
   x = 8,463.41