Finding the Fourth Proportional to 11,200.91, 16,787.86 and 4,953.85

Step by Step Solution

1. Step 1: Write the proportion equation
   11,200.91 : 16,787.86 = 4,953.85 : x
2. Step 2: Convert to fraction form
   11,200.91/16,787.86 = 4,953.85/x
3. Step 3: Cross multiply
   11,200.91x = 16,787.86 × 4,953.85
4. Step 4: Simplify right side
   11,200.91x = 83,164,485.91
5. Step 5: Solve for x
   x = 83,164,485.91/11,200.91
6. Step 6: Final answer
   x = 7,424.80