Finding the Fourth Proportional to 9,904.10, 14,852.55 and 4,972.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,904.10 : 14,852.55 = 4,972.10 : x
2. Step 2: Convert to fraction form
   9,904.10/14,852.55 = 4,972.10/x
3. Step 3: Cross multiply
   9,904.10x = 14,852.55 × 4,972.10
4. Step 4: Simplify right side
   9,904.10x = 73,848,363.86
5. Step 5: Solve for x
   x = 73,848,363.86/9,904.10
6. Step 6: Final answer
   x = 7,456.34