Finding the Fourth Proportional to 9,901.58, 14,851.94 and 3,658.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,901.58 : 14,851.94 = 3,658.91 : x
2. Step 2: Convert to fraction form
   9,901.58/14,851.94 = 3,658.91/x
3. Step 3: Cross multiply
   9,901.58x = 14,851.94 × 3,658.91
4. Step 4: Simplify right side
   9,901.58x = 54,341,819.23
5. Step 5: Solve for x
   x = 54,341,819.23/9,901.58
6. Step 6: Final answer
   x = 5,488.20