Finding the Fourth Proportional to 9,903.72, 14,845.43 and 4,356.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,903.72 : 14,845.43 = 4,356.03 : x
2. Step 2: Convert to fraction form
   9,903.72/14,845.43 = 4,356.03/x
3. Step 3: Cross multiply
   9,903.72x = 14,845.43 × 4,356.03
4. Step 4: Simplify right side
   9,903.72x = 64,667,097.00
5. Step 5: Solve for x
   x = 64,667,097.00/9,903.72
6. Step 6: Final answer
   x = 6,529.58