Finding the Fourth Proportional to 13,772.38, 19,005.89 and 7,484.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,772.38 : 19,005.89 = 7,484.76 : x
2. Step 2: Convert to fraction form
   13,772.38/19,005.89 = 7,484.76/x
3. Step 3: Cross multiply
   13,772.38x = 19,005.89 × 7,484.76
4. Step 4: Simplify right side
   13,772.38x = 142,254,525.24
5. Step 5: Solve for x
   x = 142,254,525.24/13,772.38
6. Step 6: Final answer
   x = 10,328.97