Finding the Fourth Proportional to 14,191.48, 19,583.82 and 7,903.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,191.48 : 19,583.82 = 7,903.72 : x
2. Step 2: Convert to fraction form
   14,191.48/19,583.82 = 7,903.72/x
3. Step 3: Cross multiply
   14,191.48x = 19,583.82 × 7,903.72
4. Step 4: Simplify right side
   14,191.48x = 154,785,029.81
5. Step 5: Solve for x
   x = 154,785,029.81/14,191.48
6. Step 6: Final answer
   x = 10,906.90