Finding the Fourth Proportional to 13,923.48, 19,214.06 and 7,549.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,923.48 : 19,214.06 = 7,549.72 : x
2. Step 2: Convert to fraction form
   13,923.48/19,214.06 = 7,549.72/x
3. Step 3: Cross multiply
   13,923.48x = 19,214.06 × 7,549.72
4. Step 4: Simplify right side
   13,923.48x = 145,060,773.06
5. Step 5: Solve for x
   x = 145,060,773.06/13,923.48
6. Step 6: Final answer
   x = 10,418.43