Finding the Fourth Proportional to 9,905.01, 14,858.45 and 2,789.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,905.01 : 14,858.45 = 2,789.22 : x
2. Step 2: Convert to fraction form
   9,905.01/14,858.45 = 2,789.22/x
3. Step 3: Cross multiply
   9,905.01x = 14,858.45 × 2,789.22
4. Step 4: Simplify right side
   9,905.01x = 41,443,485.91
5. Step 5: Solve for x
   x = 41,443,485.91/9,905.01
6. Step 6: Final answer
   x = 4,184.09