Finding the Fourth Proportional to 13,772.48, 19,006.17 and 7,484.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,772.48 : 19,006.17 = 7,484.86 : x
2. Step 2: Convert to fraction form
   13,772.48/19,006.17 = 7,484.86/x
3. Step 3: Cross multiply
   13,772.48x = 19,006.17 × 7,484.86
4. Step 4: Simplify right side
   13,772.48x = 142,258,426.56
5. Step 5: Solve for x
   x = 142,258,426.56/13,772.48
6. Step 6: Final answer
   x = 10,329.18