Finding the Fourth Proportional to 9,905.01, 14,865.72 and 4,976.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,905.01 : 14,865.72 = 4,976.07 : x
2. Step 2: Convert to fraction form
   9,905.01/14,865.72 = 4,976.07/x
3. Step 3: Cross multiply
   9,905.01x = 14,865.72 × 4,976.07
4. Step 4: Simplify right side
   9,905.01x = 73,972,863.32
5. Step 5: Solve for x
   x = 73,972,863.32/9,905.01
6. Step 6: Final answer
   x = 7,468.23