Finding the Fourth Proportional to 13,897.52, 19,178.60 and 7,524.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,897.52 : 19,178.60 = 7,524.17 : x
2. Step 2: Convert to fraction form
   13,897.52/19,178.60 = 7,524.17/x
3. Step 3: Cross multiply
   13,897.52x = 19,178.60 × 7,524.17
4. Step 4: Simplify right side
   13,897.52x = 144,303,046.76
5. Step 5: Solve for x
   x = 144,303,046.76/13,897.52
6. Step 6: Final answer
   x = 10,383.37